Home / 56,895.12-85,344.24-15,342

Finding the Fourth Proportional to 56,895.12, 85,344.24 and 15,342

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Solution

The fourth proportional to 56,895.12, 85,344.24 and 15,342 is: 23,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.12 : 85,344.24 = 15,342 : x
  2. Step 2: Convert to fraction form
    56,895.12/85,344.24 = 15,342/x
  3. Step 3: Cross multiply
    56,895.12x = 85,344.24 × 15,342
  4. Step 4: Simplify right side
    56,895.12x = 1,309,351,330.08
  5. Step 5: Solve for x
    x = 1,309,351,330.08/56,895.12
  6. Step 6: Final answer
    x = 23,013.42

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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.