Home / 42,417.76-63,625.99-10,397.15

Finding the Fourth Proportional to 42,417.76, 63,625.99 and 10,397.15

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Solution

The fourth proportional to 42,417.76, 63,625.99 and 10,397.15 is: 15,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.76 : 63,625.99 = 10,397.15 : x
  2. Step 2: Convert to fraction form
    42,417.76/63,625.99 = 10,397.15/x
  3. Step 3: Cross multiply
    42,417.76x = 63,625.99 × 10,397.15
  4. Step 4: Simplify right side
    42,417.76x = 661,528,961.93
  5. Step 5: Solve for x
    x = 661,528,961.93/42,417.76
  6. Step 6: Final answer
    x = 15,595.57

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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.