Home / 27,377.95-37,781.56-15,441.26

Finding the Fourth Proportional to 27,377.95, 37,781.56 and 15,441.26

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Solution

The fourth proportional to 27,377.95, 37,781.56 and 15,441.26 is: 21,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.95 : 37,781.56 = 15,441.26 : x
  2. Step 2: Convert to fraction form
    27,377.95/37,781.56 = 15,441.26/x
  3. Step 3: Cross multiply
    27,377.95x = 37,781.56 × 15,441.26
  4. Step 4: Simplify right side
    27,377.95x = 583,394,891.17
  5. Step 5: Solve for x
    x = 583,394,891.17/27,377.95
  6. Step 6: Final answer
    x = 21,308.93

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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.