Home / 27,969.35-38,597.20-15,222.08

Finding the Fourth Proportional to 27,969.35, 38,597.20 and 15,222.08

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Solution

The fourth proportional to 27,969.35, 38,597.20 and 15,222.08 is: 21,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.35 : 38,597.20 = 15,222.08 : x
  2. Step 2: Convert to fraction form
    27,969.35/38,597.20 = 15,222.08/x
  3. Step 3: Cross multiply
    27,969.35x = 38,597.20 × 15,222.08
  4. Step 4: Simplify right side
    27,969.35x = 587,529,724.61
  5. Step 5: Solve for x
    x = 587,529,724.61/27,969.35
  6. Step 6: Final answer
    x = 21,006.20

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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.