Home / 28,079.26-38,751.42-16,146.34

Finding the Fourth Proportional to 28,079.26, 38,751.42 and 16,146.34

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Solution

The fourth proportional to 28,079.26, 38,751.42 and 16,146.34 is: 22,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.26 : 38,751.42 = 16,146.34 : x
  2. Step 2: Convert to fraction form
    28,079.26/38,751.42 = 16,146.34/x
  3. Step 3: Cross multiply
    28,079.26x = 38,751.42 × 16,146.34
  4. Step 4: Simplify right side
    28,079.26x = 625,693,602.80
  5. Step 5: Solve for x
    x = 625,693,602.80/28,079.26
  6. Step 6: Final answer
    x = 22,283.12

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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.