Home / 29,123.98-40,197.73-20,617.26

Finding the Fourth Proportional to 29,123.98, 40,197.73 and 20,617.26

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Solution

The fourth proportional to 29,123.98, 40,197.73 and 20,617.26 is: 28,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123.98 : 40,197.73 = 20,617.26 : x
  2. Step 2: Convert to fraction form
    29,123.98/40,197.73 = 20,617.26/x
  3. Step 3: Cross multiply
    29,123.98x = 40,197.73 × 20,617.26
  4. Step 4: Simplify right side
    29,123.98x = 828,766,925.85
  5. Step 5: Solve for x
    x = 828,766,925.85/29,123.98
  6. Step 6: Final answer
    x = 28,456.52

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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.