Home / 20,377.26-28,176.12-17,752.86

Finding the Fourth Proportional to 20,377.26, 28,176.12 and 17,752.86

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Solution

The fourth proportional to 20,377.26, 28,176.12 and 17,752.86 is: 24,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.26 : 28,176.12 = 17,752.86 : x
  2. Step 2: Convert to fraction form
    20,377.26/28,176.12 = 17,752.86/x
  3. Step 3: Cross multiply
    20,377.26x = 28,176.12 × 17,752.86
  4. Step 4: Simplify right side
    20,377.26x = 500,206,713.70
  5. Step 5: Solve for x
    x = 500,206,713.70/20,377.26
  6. Step 6: Final answer
    x = 24,547.30

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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.