Home / 57,689.28-86,572.80-26,107.92

Finding the Fourth Proportional to 57,689.28, 86,572.80 and 26,107.92

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Solution

The fourth proportional to 57,689.28, 86,572.80 and 26,107.92 is: 39,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,689.28 : 86,572.80 = 26,107.92 : x
  2. Step 2: Convert to fraction form
    57,689.28/86,572.80 = 26,107.92/x
  3. Step 3: Cross multiply
    57,689.28x = 86,572.80 × 26,107.92
  4. Step 4: Simplify right side
    57,689.28x = 2,260,235,736.58
  5. Step 5: Solve for x
    x = 2,260,235,736.58/57,689.28
  6. Step 6: Final answer
    x = 39,179.48

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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.