Home / 57,424.62-86,130.10-15,307.86

Finding the Fourth Proportional to 57,424.62, 86,130.10 and 15,307.86

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Solution

The fourth proportional to 57,424.62, 86,130.10 and 15,307.86 is: 22,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424.62 : 86,130.10 = 15,307.86 : x
  2. Step 2: Convert to fraction form
    57,424.62/86,130.10 = 15,307.86/x
  3. Step 3: Cross multiply
    57,424.62x = 86,130.10 × 15,307.86
  4. Step 4: Simplify right side
    57,424.62x = 1,318,467,436.05
  5. Step 5: Solve for x
    x = 1,318,467,436.05/57,424.62
  6. Step 6: Final answer
    x = 22,959.97

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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.