Home / 28,501.62-42,708.66-17,391.66

Finding the Fourth Proportional to 28,501.62, 42,708.66 and 17,391.66

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Solution

The fourth proportional to 28,501.62, 42,708.66 and 17,391.66 is: 26,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.62 : 42,708.66 = 17,391.66 : x
  2. Step 2: Convert to fraction form
    28,501.62/42,708.66 = 17,391.66/x
  3. Step 3: Cross multiply
    28,501.62x = 42,708.66 × 17,391.66
  4. Step 4: Simplify right side
    28,501.62x = 742,774,493.78
  5. Step 5: Solve for x
    x = 742,774,493.78/28,501.62
  6. Step 6: Final answer
    x = 26,060.78

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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.