Home / 42,578.40-63,797.31-25,887.93

Finding the Fourth Proportional to 42,578.40, 63,797.31 and 25,887.93

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Solution

The fourth proportional to 42,578.40, 63,797.31 and 25,887.93 is: 38,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578.40 : 63,797.31 = 25,887.93 : x
  2. Step 2: Convert to fraction form
    42,578.40/63,797.31 = 25,887.93/x
  3. Step 3: Cross multiply
    42,578.40x = 63,797.31 × 25,887.93
  4. Step 4: Simplify right side
    42,578.40x = 1,651,580,295.47
  5. Step 5: Solve for x
    x = 1,651,580,295.47/42,578.40
  6. Step 6: Final answer
    x = 38,789.16

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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.