Home / 27,377.20-37,780.72-17,310.18

Finding the Fourth Proportional to 27,377.20, 37,780.72 and 17,310.18

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Solution

The fourth proportional to 27,377.20, 37,780.72 and 17,310.18 is: 23,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.20 : 37,780.72 = 17,310.18 : x
  2. Step 2: Convert to fraction form
    27,377.20/37,780.72 = 17,310.18/x
  3. Step 3: Cross multiply
    27,377.20x = 37,780.72 × 17,310.18
  4. Step 4: Simplify right side
    27,377.20x = 653,991,063.73
  5. Step 5: Solve for x
    x = 653,991,063.73/27,377.20
  6. Step 6: Final answer
    x = 23,888.16

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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.