Home / 28,047.28-38,685.97-16,708.04

Finding the Fourth Proportional to 28,047.28, 38,685.97 and 16,708.04

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Solution

The fourth proportional to 28,047.28, 38,685.97 and 16,708.04 is: 23,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.28 : 38,685.97 = 16,708.04 : x
  2. Step 2: Convert to fraction form
    28,047.28/38,685.97 = 16,708.04/x
  3. Step 3: Cross multiply
    28,047.28x = 38,685.97 × 16,708.04
  4. Step 4: Simplify right side
    28,047.28x = 646,366,734.20
  5. Step 5: Solve for x
    x = 646,366,734.20/28,047.28
  6. Step 6: Final answer
    x = 23,045.61

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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.