Home / 28,155.23-38,854.22-17,544.90

Finding the Fourth Proportional to 28,155.23, 38,854.22 and 17,544.90

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Solution

The fourth proportional to 28,155.23, 38,854.22 and 17,544.90 is: 24,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.23 : 38,854.22 = 17,544.90 : x
  2. Step 2: Convert to fraction form
    28,155.23/38,854.22 = 17,544.90/x
  3. Step 3: Cross multiply
    28,155.23x = 38,854.22 × 17,544.90
  4. Step 4: Simplify right side
    28,155.23x = 681,693,316.75
  5. Step 5: Solve for x
    x = 681,693,316.75/28,155.23
  6. Step 6: Final answer
    x = 24,211.96

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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.