Home / 28,862.30-43,301.82-14,079.80

Finding the Fourth Proportional to 28,862.30, 43,301.82 and 14,079.80

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Solution

The fourth proportional to 28,862.30, 43,301.82 and 14,079.80 is: 21,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.30 : 43,301.82 = 14,079.80 : x
  2. Step 2: Convert to fraction form
    28,862.30/43,301.82 = 14,079.80/x
  3. Step 3: Cross multiply
    28,862.30x = 43,301.82 × 14,079.80
  4. Step 4: Simplify right side
    28,862.30x = 609,680,965.24
  5. Step 5: Solve for x
    x = 609,680,965.24/28,862.30
  6. Step 6: Final answer
    x = 21,123.78

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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.