Home / 27,357.05-37,752.72-14,781.80

Finding the Fourth Proportional to 27,357.05, 37,752.72 and 14,781.80

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Solution

The fourth proportional to 27,357.05, 37,752.72 and 14,781.80 is: 20,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.05 : 37,752.72 = 14,781.80 : x
  2. Step 2: Convert to fraction form
    27,357.05/37,752.72 = 14,781.80/x
  3. Step 3: Cross multiply
    27,357.05x = 37,752.72 × 14,781.80
  4. Step 4: Simplify right side
    27,357.05x = 558,053,156.50
  5. Step 5: Solve for x
    x = 558,053,156.50/27,357.05
  6. Step 6: Final answer
    x = 20,398.88

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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.