Home / 28,788.68-43,155.28-14,755.30

Finding the Fourth Proportional to 28,788.68, 43,155.28 and 14,755.30

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Solution

The fourth proportional to 28,788.68, 43,155.28 and 14,755.30 is: 22,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.68 : 43,155.28 = 14,755.30 : x
  2. Step 2: Convert to fraction form
    28,788.68/43,155.28 = 14,755.30/x
  3. Step 3: Cross multiply
    28,788.68x = 43,155.28 × 14,755.30
  4. Step 4: Simplify right side
    28,788.68x = 636,769,013.54
  5. Step 5: Solve for x
    x = 636,769,013.54/28,788.68
  6. Step 6: Final answer
    x = 22,118.73

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1.5x scale

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.