Home / 28,049.35-38,708.09-15,474.10

Finding the Fourth Proportional to 28,049.35, 38,708.09 and 15,474.10

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Solution

The fourth proportional to 28,049.35, 38,708.09 and 15,474.10 is: 21,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.35 : 38,708.09 = 15,474.10 : x
  2. Step 2: Convert to fraction form
    28,049.35/38,708.09 = 15,474.10/x
  3. Step 3: Cross multiply
    28,049.35x = 38,708.09 × 15,474.10
  4. Step 4: Simplify right side
    28,049.35x = 598,972,700.61
  5. Step 5: Solve for x
    x = 598,972,700.61/28,049.35
  6. Step 6: Final answer
    x = 21,354.25

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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.