Home / 21,665.52-32,472.36-13,332.24

Finding the Fourth Proportional to 21,665.52, 32,472.36 and 13,332.24

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Solution

The fourth proportional to 21,665.52, 32,472.36 and 13,332.24 is: 19,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665.52 : 32,472.36 = 13,332.24 : x
  2. Step 2: Convert to fraction form
    21,665.52/32,472.36 = 13,332.24/x
  3. Step 3: Cross multiply
    21,665.52x = 32,472.36 × 13,332.24
  4. Step 4: Simplify right side
    21,665.52x = 432,929,296.89
  5. Step 5: Solve for x
    x = 432,929,296.89/21,665.52
  6. Step 6: Final answer
    x = 19,982.41

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1.5x scale

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.