Home / 29,925.12-41,253.12-20,945.28

Finding the Fourth Proportional to 29,925.12, 41,253.12 and 20,945.28

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Solution

The fourth proportional to 29,925.12, 41,253.12 and 20,945.28 is: 28,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,925.12 : 41,253.12 = 20,945.28 : x
  2. Step 2: Convert to fraction form
    29,925.12/41,253.12 = 20,945.28/x
  3. Step 3: Cross multiply
    29,925.12x = 41,253.12 × 20,945.28
  4. Step 4: Simplify right side
    29,925.12x = 864,058,149.27
  5. Step 5: Solve for x
    x = 864,058,149.27/29,925.12
  6. Step 6: Final answer
    x = 28,874.01

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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.