Home / 21,650.24-29,897.56-15,934.88

Finding the Fourth Proportional to 21,650.24, 29,897.56 and 15,934.88

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Solution

The fourth proportional to 21,650.24, 29,897.56 and 15,934.88 is: 22,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.24 : 29,897.56 = 15,934.88 : x
  2. Step 2: Convert to fraction form
    21,650.24/29,897.56 = 15,934.88/x
  3. Step 3: Cross multiply
    21,650.24x = 29,897.56 × 15,934.88
  4. Step 4: Simplify right side
    21,650.24x = 476,414,030.89
  5. Step 5: Solve for x
    x = 476,414,030.89/21,650.24
  6. Step 6: Final answer
    x = 22,005.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.