Home / 21,358.52-32,049.27-8,887.15

Finding the Fourth Proportional to 21,358.52, 32,049.27 and 8,887.15

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Solution

The fourth proportional to 21,358.52, 32,049.27 and 8,887.15 is: 13,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.52 : 32,049.27 = 8,887.15 : x
  2. Step 2: Convert to fraction form
    21,358.52/32,049.27 = 8,887.15/x
  3. Step 3: Cross multiply
    21,358.52x = 32,049.27 × 8,887.15
  4. Step 4: Simplify right side
    21,358.52x = 284,826,709.94
  5. Step 5: Solve for x
    x = 284,826,709.94/21,358.52
  6. Step 6: Final answer
    x = 13,335.51

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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.