Home / 27,146.68-37,463.45-15,209.61

Finding the Fourth Proportional to 27,146.68, 37,463.45 and 15,209.61

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Solution

The fourth proportional to 27,146.68, 37,463.45 and 15,209.61 is: 20,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.68 : 37,463.45 = 15,209.61 : x
  2. Step 2: Convert to fraction form
    27,146.68/37,463.45 = 15,209.61/x
  3. Step 3: Cross multiply
    27,146.68x = 37,463.45 × 15,209.61
  4. Step 4: Simplify right side
    27,146.68x = 569,804,463.75
  5. Step 5: Solve for x
    x = 569,804,463.75/27,146.68
  6. Step 6: Final answer
    x = 20,989.84

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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.