Home / 25,560.20-38,344.08-13,087.28

Finding the Fourth Proportional to 25,560.20, 38,344.08 and 13,087.28

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Solution

The fourth proportional to 25,560.20, 38,344.08 and 13,087.28 is: 19,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560.20 : 38,344.08 = 13,087.28 : x
  2. Step 2: Convert to fraction form
    25,560.20/38,344.08 = 13,087.28/x
  3. Step 3: Cross multiply
    25,560.20x = 38,344.08 × 13,087.28
  4. Step 4: Simplify right side
    25,560.20x = 501,819,711.30
  5. Step 5: Solve for x
    x = 501,819,711.30/25,560.20
  6. Step 6: Final answer
    x = 19,632.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.