Home / 29,255.64-40,372.61-15,826.85

Finding the Fourth Proportional to 29,255.64, 40,372.61 and 15,826.85

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Solution

The fourth proportional to 29,255.64, 40,372.61 and 15,826.85 is: 21,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.64 : 40,372.61 = 15,826.85 : x
  2. Step 2: Convert to fraction form
    29,255.64/40,372.61 = 15,826.85/x
  3. Step 3: Cross multiply
    29,255.64x = 40,372.61 × 15,826.85
  4. Step 4: Simplify right side
    29,255.64x = 638,971,242.58
  5. Step 5: Solve for x
    x = 638,971,242.58/29,255.64
  6. Step 6: Final answer
    x = 21,840.96

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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.