Home / 28,244.80-38,982.18-16,307.20

Finding the Fourth Proportional to 28,244.80, 38,982.18 and 16,307.20

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Solution

The fourth proportional to 28,244.80, 38,982.18 and 16,307.20 is: 22,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.80 : 38,982.18 = 16,307.20 : x
  2. Step 2: Convert to fraction form
    28,244.80/38,982.18 = 16,307.20/x
  3. Step 3: Cross multiply
    28,244.80x = 38,982.18 × 16,307.20
  4. Step 4: Simplify right side
    28,244.80x = 635,690,205.70
  5. Step 5: Solve for x
    x = 635,690,205.70/28,244.80
  6. Step 6: Final answer
    x = 22,506.45

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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.