Home / 27,377.06-37,780.29-14,801.78

Finding the Fourth Proportional to 27,377.06, 37,780.29 and 14,801.78

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Solution

The fourth proportional to 27,377.06, 37,780.29 and 14,801.78 is: 20,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.06 : 37,780.29 = 14,801.78 : x
  2. Step 2: Convert to fraction form
    27,377.06/37,780.29 = 14,801.78/x
  3. Step 3: Cross multiply
    27,377.06x = 37,780.29 × 14,801.78
  4. Step 4: Simplify right side
    27,377.06x = 559,215,540.92
  5. Step 5: Solve for x
    x = 559,215,540.92/27,377.06
  6. Step 6: Final answer
    x = 20,426.43

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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.