Home / 28,543.36-42,815.04-23,669.12

Finding the Fourth Proportional to 28,543.36, 42,815.04 and 23,669.12

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Solution

The fourth proportional to 28,543.36, 42,815.04 and 23,669.12 is: 35,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.36 : 42,815.04 = 23,669.12 : x
  2. Step 2: Convert to fraction form
    28,543.36/42,815.04 = 23,669.12/x
  3. Step 3: Cross multiply
    28,543.36x = 42,815.04 × 23,669.12
  4. Step 4: Simplify right side
    28,543.36x = 1,013,394,319.56
  5. Step 5: Solve for x
    x = 1,013,394,319.56/28,543.36
  6. Step 6: Final answer
    x = 35,503.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.