Home / 27,852.82-38,436.91-15,106.00

Finding the Fourth Proportional to 27,852.82, 38,436.91 and 15,106.00

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Solution

The fourth proportional to 27,852.82, 38,436.91 and 15,106.00 is: 20,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.82 : 38,436.91 = 15,106.00 : x
  2. Step 2: Convert to fraction form
    27,852.82/38,436.91 = 15,106.00/x
  3. Step 3: Cross multiply
    27,852.82x = 38,436.91 × 15,106.00
  4. Step 4: Simplify right side
    27,852.82x = 580,627,900.67
  5. Step 5: Solve for x
    x = 580,627,900.67/27,852.82
  6. Step 6: Final answer
    x = 20,846.29

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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.