Home / 28,532.72-42,817.38-15,394.22

Finding the Fourth Proportional to 28,532.72, 42,817.38 and 15,394.22

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Solution

The fourth proportional to 28,532.72, 42,817.38 and 15,394.22 is: 23,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.72 : 42,817.38 = 15,394.22 : x
  2. Step 2: Convert to fraction form
    28,532.72/42,817.38 = 15,394.22/x
  3. Step 3: Cross multiply
    28,532.72x = 42,817.38 × 15,394.22
  4. Step 4: Simplify right side
    28,532.72x = 659,140,167.54
  5. Step 5: Solve for x
    x = 659,140,167.54/28,532.72
  6. Step 6: Final answer
    x = 23,101.20

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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.