Home / 15,581.67-23,372.16-3,894.90

Finding the Fourth Proportional to 15,581.67, 23,372.16 and 3,894.90

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Solution

The fourth proportional to 15,581.67, 23,372.16 and 3,894.90 is: 5,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.67 : 23,372.16 = 3,894.90 : x
  2. Step 2: Convert to fraction form
    15,581.67/23,372.16 = 3,894.90/x
  3. Step 3: Cross multiply
    15,581.67x = 23,372.16 × 3,894.90
  4. Step 4: Simplify right side
    15,581.67x = 91,032,225.98
  5. Step 5: Solve for x
    x = 91,032,225.98/15,581.67
  6. Step 6: Final answer
    x = 5,842.26

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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.