Home / 29,255.18-40,372.10-15,826.39

Finding the Fourth Proportional to 29,255.18, 40,372.10 and 15,826.39

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Solution

The fourth proportional to 29,255.18, 40,372.10 and 15,826.39 is: 21,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.18 : 40,372.10 = 15,826.39 : x
  2. Step 2: Convert to fraction form
    29,255.18/40,372.10 = 15,826.39/x
  3. Step 3: Cross multiply
    29,255.18x = 40,372.10 × 15,826.39
  4. Step 4: Simplify right side
    29,255.18x = 638,944,520.59
  5. Step 5: Solve for x
    x = 638,944,520.59/29,255.18
  6. Step 6: Final answer
    x = 21,840.39

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1.5x scale

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.