Home / 21,648.24-29,894.80-15,932.88

Finding the Fourth Proportional to 21,648.24, 29,894.80 and 15,932.88

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Solution

The fourth proportional to 21,648.24, 29,894.80 and 15,932.88 is: 22,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.24 : 29,894.80 = 15,932.88 : x
  2. Step 2: Convert to fraction form
    21,648.24/29,894.80 = 15,932.88/x
  3. Step 3: Cross multiply
    21,648.24x = 29,894.80 × 15,932.88
  4. Step 4: Simplify right side
    21,648.24x = 476,310,261.02
  5. Step 5: Solve for x
    x = 476,310,261.02/21,648.24
  6. Step 6: Final answer
    x = 22,002.26

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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.