Home / 27,340.60-37,729.62-15,404.20

Finding the Fourth Proportional to 27,340.60, 37,729.62 and 15,404.20

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Solution

The fourth proportional to 27,340.60, 37,729.62 and 15,404.20 is: 21,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.60 : 37,729.62 = 15,404.20 : x
  2. Step 2: Convert to fraction form
    27,340.60/37,729.62 = 15,404.20/x
  3. Step 3: Cross multiply
    27,340.60x = 37,729.62 × 15,404.20
  4. Step 4: Simplify right side
    27,340.60x = 581,194,612.40
  5. Step 5: Solve for x
    x = 581,194,612.40/27,340.60
  6. Step 6: Final answer
    x = 21,257.57

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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.