Home / 38,268.72-52,810.80-21,272.43

Finding the Fourth Proportional to 38,268.72, 52,810.80 and 21,272.43

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Solution

The fourth proportional to 38,268.72, 52,810.80 and 21,272.43 is: 29,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.72 : 52,810.80 = 21,272.43 : x
  2. Step 2: Convert to fraction form
    38,268.72/52,810.80 = 21,272.43/x
  3. Step 3: Cross multiply
    38,268.72x = 52,810.80 × 21,272.43
  4. Step 4: Simplify right side
    38,268.72x = 1,123,414,046.24
  5. Step 5: Solve for x
    x = 1,123,414,046.24/38,268.72
  6. Step 6: Final answer
    x = 29,355.93

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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.