Home / 21,244.32-31,864.24-5,663.52

Finding the Fourth Proportional to 21,244.32, 31,864.24 and 5,663.52

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Solution

The fourth proportional to 21,244.32, 31,864.24 and 5,663.52 is: 8,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.32 : 31,864.24 = 5,663.52 : x
  2. Step 2: Convert to fraction form
    21,244.32/31,864.24 = 5,663.52/x
  3. Step 3: Cross multiply
    21,244.32x = 31,864.24 × 5,663.52
  4. Step 4: Simplify right side
    21,244.32x = 180,463,760.52
  5. Step 5: Solve for x
    x = 180,463,760.52/21,244.32
  6. Step 6: Final answer
    x = 8,494.68

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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.