Home / 21,650.76-29,872.88-14,934.24

Finding the Fourth Proportional to 21,650.76, 29,872.88 and 14,934.24

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Solution

The fourth proportional to 21,650.76, 29,872.88 and 14,934.24 is: 20,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.76 : 29,872.88 = 14,934.24 : x
  2. Step 2: Convert to fraction form
    21,650.76/29,872.88 = 14,934.24/x
  3. Step 3: Cross multiply
    21,650.76x = 29,872.88 × 14,934.24
  4. Step 4: Simplify right side
    21,650.76x = 446,128,759.41
  5. Step 5: Solve for x
    x = 446,128,759.41/21,650.76
  6. Step 6: Final answer
    x = 20,605.69

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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.