Home / 29,255.49-40,372.67-15,826.86

Finding the Fourth Proportional to 29,255.49, 40,372.67 and 15,826.86

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Solution

The fourth proportional to 29,255.49, 40,372.67 and 15,826.86 is: 21,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.49 : 40,372.67 = 15,826.86 : x
  2. Step 2: Convert to fraction form
    29,255.49/40,372.67 = 15,826.86/x
  3. Step 3: Cross multiply
    29,255.49x = 40,372.67 × 15,826.86
  4. Step 4: Simplify right side
    29,255.49x = 638,972,595.92
  5. Step 5: Solve for x
    x = 638,972,595.92/29,255.49
  6. Step 6: Final answer
    x = 21,841.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.