Home / 27,132.28-37,438.98-15,647.61

Finding the Fourth Proportional to 27,132.28, 37,438.98 and 15,647.61

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Solution

The fourth proportional to 27,132.28, 37,438.98 and 15,647.61 is: 21,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.28 : 37,438.98 = 15,647.61 : x
  2. Step 2: Convert to fraction form
    27,132.28/37,438.98 = 15,647.61/x
  3. Step 3: Cross multiply
    27,132.28x = 37,438.98 × 15,647.61
  4. Step 4: Simplify right side
    27,132.28x = 585,830,557.84
  5. Step 5: Solve for x
    x = 585,830,557.84/27,132.28
  6. Step 6: Final answer
    x = 21,591.65

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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.