Home / 38,022.48-57,009.42-18,261.72

Finding the Fourth Proportional to 38,022.48, 57,009.42 and 18,261.72

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Solution

The fourth proportional to 38,022.48, 57,009.42 and 18,261.72 is: 27,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.48 : 57,009.42 = 18,261.72 : x
  2. Step 2: Convert to fraction form
    38,022.48/57,009.42 = 18,261.72/x
  3. Step 3: Cross multiply
    38,022.48x = 57,009.42 × 18,261.72
  4. Step 4: Simplify right side
    38,022.48x = 1,041,090,065.40
  5. Step 5: Solve for x
    x = 1,041,090,065.40/38,022.48
  6. Step 6: Final answer
    x = 27,380.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.