Home / 28,778.10-43,167.15-9,062.70

Finding the Fourth Proportional to 28,778.10, 43,167.15 and 9,062.70

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Solution

The fourth proportional to 28,778.10, 43,167.15 and 9,062.70 is: 13,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.10 : 43,167.15 = 9,062.70 : x
  2. Step 2: Convert to fraction form
    28,778.10/43,167.15 = 9,062.70/x
  3. Step 3: Cross multiply
    28,778.10x = 43,167.15 × 9,062.70
  4. Step 4: Simplify right side
    28,778.10x = 391,210,930.31
  5. Step 5: Solve for x
    x = 391,210,930.31/28,778.10
  6. Step 6: Final answer
    x = 13,594.05

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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.