Home / 23,712.88-32,699.28-20,366.80

Finding the Fourth Proportional to 23,712.88, 32,699.28 and 20,366.80

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Solution

The fourth proportional to 23,712.88, 32,699.28 and 20,366.80 is: 28,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.88 : 32,699.28 = 20,366.80 : x
  2. Step 2: Convert to fraction form
    23,712.88/32,699.28 = 20,366.80/x
  3. Step 3: Cross multiply
    23,712.88x = 32,699.28 × 20,366.80
  4. Step 4: Simplify right side
    23,712.88x = 665,979,695.90
  5. Step 5: Solve for x
    x = 665,979,695.90/23,712.88
  6. Step 6: Final answer
    x = 28,085.15

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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.