Home / 28,117.62-42,176.70-17,095.14

Finding the Fourth Proportional to 28,117.62, 42,176.70 and 17,095.14

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Solution

The fourth proportional to 28,117.62, 42,176.70 and 17,095.14 is: 25,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.62 : 42,176.70 = 17,095.14 : x
  2. Step 2: Convert to fraction form
    28,117.62/42,176.70 = 17,095.14/x
  3. Step 3: Cross multiply
    28,117.62x = 42,176.70 × 17,095.14
  4. Step 4: Simplify right side
    28,117.62x = 721,016,591.24
  5. Step 5: Solve for x
    x = 721,016,591.24/28,117.62
  6. Step 6: Final answer
    x = 25,642.87

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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.