Home / 25,463.28-38,139.56-15,572.64

Finding the Fourth Proportional to 25,463.28, 38,139.56 and 15,572.64

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Solution

The fourth proportional to 25,463.28, 38,139.56 and 15,572.64 is: 23,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.28 : 38,139.56 = 15,572.64 : x
  2. Step 2: Convert to fraction form
    25,463.28/38,139.56 = 15,572.64/x
  3. Step 3: Cross multiply
    25,463.28x = 38,139.56 × 15,572.64
  4. Step 4: Simplify right side
    25,463.28x = 593,933,637.64
  5. Step 5: Solve for x
    x = 593,933,637.64/25,463.28
  6. Step 6: Final answer
    x = 23,325.10

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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.