Home / 57,433.10-86,139.92-15,870.38

Finding the Fourth Proportional to 57,433.10, 86,139.92 and 15,870.38

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Solution

The fourth proportional to 57,433.10, 86,139.92 and 15,870.38 is: 23,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433.10 : 86,139.92 = 15,870.38 : x
  2. Step 2: Convert to fraction form
    57,433.10/86,139.92 = 15,870.38/x
  3. Step 3: Cross multiply
    57,433.10x = 86,139.92 × 15,870.38
  4. Step 4: Simplify right side
    57,433.10x = 1,367,072,872.55
  5. Step 5: Solve for x
    x = 1,367,072,872.55/57,433.10
  6. Step 6: Final answer
    x = 23,802.88

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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.