Home / 28,319.72-42,484.68-23,101

Finding the Fourth Proportional to 28,319.72, 42,484.68 and 23,101

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Solution

The fourth proportional to 28,319.72, 42,484.68 and 23,101 is: 34,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.72 : 42,484.68 = 23,101 : x
  2. Step 2: Convert to fraction form
    28,319.72/42,484.68 = 23,101/x
  3. Step 3: Cross multiply
    28,319.72x = 42,484.68 × 23,101
  4. Step 4: Simplify right side
    28,319.72x = 981,438,592.68
  5. Step 5: Solve for x
    x = 981,438,592.68/28,319.72
  6. Step 6: Final answer
    x = 34,655.66

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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.