Home / 28,836.86-43,253.16-13,854.69

Finding the Fourth Proportional to 28,836.86, 43,253.16 and 13,854.69

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Solution

The fourth proportional to 28,836.86, 43,253.16 and 13,854.69 is: 20,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.86 : 43,253.16 = 13,854.69 : x
  2. Step 2: Convert to fraction form
    28,836.86/43,253.16 = 13,854.69/x
  3. Step 3: Cross multiply
    28,836.86x = 43,253.16 × 13,854.69
  4. Step 4: Simplify right side
    28,836.86x = 599,259,123.32
  5. Step 5: Solve for x
    x = 599,259,123.32/28,836.86
  6. Step 6: Final answer
    x = 20,781.02

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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.