Home / 27,685.59-38,205.84-15,110.34

Finding the Fourth Proportional to 27,685.59, 38,205.84 and 15,110.34

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Solution

The fourth proportional to 27,685.59, 38,205.84 and 15,110.34 is: 20,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.59 : 38,205.84 = 15,110.34 : x
  2. Step 2: Convert to fraction form
    27,685.59/38,205.84 = 15,110.34/x
  3. Step 3: Cross multiply
    27,685.59x = 38,205.84 × 15,110.34
  4. Step 4: Simplify right side
    27,685.59x = 577,303,232.39
  5. Step 5: Solve for x
    x = 577,303,232.39/27,685.59
  6. Step 6: Final answer
    x = 20,852.12

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Half scale
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Double scale
Find fourth proportional to 27,686.59, 38,207.22 and 15,111.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.