Home / 21,032.12-29,024.28-11,600.72

Finding the Fourth Proportional to 21,032.12, 29,024.28 and 11,600.72

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Solution

The fourth proportional to 21,032.12, 29,024.28 and 11,600.72 is: 16,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.12 : 29,024.28 = 11,600.72 : x
  2. Step 2: Convert to fraction form
    21,032.12/29,024.28 = 11,600.72/x
  3. Step 3: Cross multiply
    21,032.12x = 29,024.28 × 11,600.72
  4. Step 4: Simplify right side
    21,032.12x = 336,702,545.48
  5. Step 5: Solve for x
    x = 336,702,545.48/21,032.12
  6. Step 6: Final answer
    x = 16,008.97

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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.