Home / 29,202.78-40,259.11-20,234.86

Finding the Fourth Proportional to 29,202.78, 40,259.11 and 20,234.86

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Solution

The fourth proportional to 29,202.78, 40,259.11 and 20,234.86 is: 27,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,202.78 : 40,259.11 = 20,234.86 : x
  2. Step 2: Convert to fraction form
    29,202.78/40,259.11 = 20,234.86/x
  3. Step 3: Cross multiply
    29,202.78x = 40,259.11 × 20,234.86
  4. Step 4: Simplify right side
    29,202.78x = 814,637,454.57
  5. Step 5: Solve for x
    x = 814,637,454.57/29,202.78
  6. Step 6: Final answer
    x = 27,895.89

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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.