Home / 27,377.52-37,781.03-15,440.90

Finding the Fourth Proportional to 27,377.52, 37,781.03 and 15,440.90

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Solution

The fourth proportional to 27,377.52, 37,781.03 and 15,440.90 is: 21,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.52 : 37,781.03 = 15,440.90 : x
  2. Step 2: Convert to fraction form
    27,377.52/37,781.03 = 15,440.90/x
  3. Step 3: Cross multiply
    27,377.52x = 37,781.03 × 15,440.90
  4. Step 4: Simplify right side
    27,377.52x = 583,373,274.60
  5. Step 5: Solve for x
    x = 583,373,274.60/27,377.52
  6. Step 6: Final answer
    x = 21,308.48

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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.