Home / 38,009.12-57,025.20-18,282.08

Finding the Fourth Proportional to 38,009.12, 57,025.20 and 18,282.08

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Solution

The fourth proportional to 38,009.12, 57,025.20 and 18,282.08 is: 27,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.12 : 57,025.20 = 18,282.08 : x
  2. Step 2: Convert to fraction form
    38,009.12/57,025.20 = 18,282.08/x
  3. Step 3: Cross multiply
    38,009.12x = 57,025.20 × 18,282.08
  4. Step 4: Simplify right side
    38,009.12x = 1,042,539,268.42
  5. Step 5: Solve for x
    x = 1,042,539,268.42/38,009.12
  6. Step 6: Final answer
    x = 27,428.66

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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.