Home / 56,996.24-85,491.12-15,440

Finding the Fourth Proportional to 56,996.24, 85,491.12 and 15,440

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Solution

The fourth proportional to 56,996.24, 85,491.12 and 15,440 is: 23,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.24 : 85,491.12 = 15,440 : x
  2. Step 2: Convert to fraction form
    56,996.24/85,491.12 = 15,440/x
  3. Step 3: Cross multiply
    56,996.24x = 85,491.12 × 15,440
  4. Step 4: Simplify right side
    56,996.24x = 1,319,982,892.80
  5. Step 5: Solve for x
    x = 1,319,982,892.80/56,996.24
  6. Step 6: Final answer
    x = 23,159.12

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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.