Home / 28,207.56-42,269.76-15,710.38

Finding the Fourth Proportional to 28,207.56, 42,269.76 and 15,710.38

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Solution

The fourth proportional to 28,207.56, 42,269.76 and 15,710.38 is: 23,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.56 : 42,269.76 = 15,710.38 : x
  2. Step 2: Convert to fraction form
    28,207.56/42,269.76 = 15,710.38/x
  3. Step 3: Cross multiply
    28,207.56x = 42,269.76 × 15,710.38
  4. Step 4: Simplify right side
    28,207.56x = 664,073,992.11
  5. Step 5: Solve for x
    x = 664,073,992.11/28,207.56
  6. Step 6: Final answer
    x = 23,542.41

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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.