Home / 20,829.29-28,714.50-14,850.59

Finding the Fourth Proportional to 20,829.29, 28,714.50 and 14,850.59

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Solution

The fourth proportional to 20,829.29, 28,714.50 and 14,850.59 is: 20,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829.29 : 28,714.50 = 14,850.59 : x
  2. Step 2: Convert to fraction form
    20,829.29/28,714.50 = 14,850.59/x
  3. Step 3: Cross multiply
    20,829.29x = 28,714.50 × 14,850.59
  4. Step 4: Simplify right side
    20,829.29x = 426,427,122.98
  5. Step 5: Solve for x
    x = 426,427,122.98/20,829.29
  6. Step 6: Final answer
    x = 20,472.48

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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.