Home / 38,538.20-57,768.90-17,725.40

Finding the Fourth Proportional to 38,538.20, 57,768.90 and 17,725.40

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Solution

The fourth proportional to 38,538.20, 57,768.90 and 17,725.40 is: 26,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.20 : 57,768.90 = 17,725.40 : x
  2. Step 2: Convert to fraction form
    38,538.20/57,768.90 = 17,725.40/x
  3. Step 3: Cross multiply
    38,538.20x = 57,768.90 × 17,725.40
  4. Step 4: Simplify right side
    38,538.20x = 1,023,976,860.06
  5. Step 5: Solve for x
    x = 1,023,976,860.06/38,538.20
  6. Step 6: Final answer
    x = 26,570.44

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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.