Home / 21,032.28-29,023.50-11,600.60

Finding the Fourth Proportional to 21,032.28, 29,023.50 and 11,600.60

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Solution

The fourth proportional to 21,032.28, 29,023.50 and 11,600.60 is: 16,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.28 : 29,023.50 = 11,600.60 : x
  2. Step 2: Convert to fraction form
    21,032.28/29,023.50 = 11,600.60/x
  3. Step 3: Cross multiply
    21,032.28x = 29,023.50 × 11,600.60
  4. Step 4: Simplify right side
    21,032.28x = 336,690,014.10
  5. Step 5: Solve for x
    x = 336,690,014.10/21,032.28
  6. Step 6: Final answer
    x = 16,008.25

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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.