Home / 42,625.28-63,972.16-19,253.76

Finding the Fourth Proportional to 42,625.28, 63,972.16 and 19,253.76

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Solution

The fourth proportional to 42,625.28, 63,972.16 and 19,253.76 is: 28,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,625.28 : 63,972.16 = 19,253.76 : x
  2. Step 2: Convert to fraction form
    42,625.28/63,972.16 = 19,253.76/x
  3. Step 3: Cross multiply
    42,625.28x = 63,972.16 × 19,253.76
  4. Step 4: Simplify right side
    42,625.28x = 1,231,704,615.32
  5. Step 5: Solve for x
    x = 1,231,704,615.32/42,625.28
  6. Step 6: Final answer
    x = 28,896.11

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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.