Home / 25,528.28-38,253.40-10,729.12

Finding the Fourth Proportional to 25,528.28, 38,253.40 and 10,729.12

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Solution

The fourth proportional to 25,528.28, 38,253.40 and 10,729.12 is: 16,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.28 : 38,253.40 = 10,729.12 : x
  2. Step 2: Convert to fraction form
    25,528.28/38,253.40 = 10,729.12/x
  3. Step 3: Cross multiply
    25,528.28x = 38,253.40 × 10,729.12
  4. Step 4: Simplify right side
    25,528.28x = 410,425,319.01
  5. Step 5: Solve for x
    x = 410,425,319.01/25,528.28
  6. Step 6: Final answer
    x = 16,077.28

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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.