Home / 28,189.56-42,275.91-17,675.55

Finding the Fourth Proportional to 28,189.56, 42,275.91 and 17,675.55

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Solution

The fourth proportional to 28,189.56, 42,275.91 and 17,675.55 is: 26,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.56 : 42,275.91 = 17,675.55 : x
  2. Step 2: Convert to fraction form
    28,189.56/42,275.91 = 17,675.55/x
  3. Step 3: Cross multiply
    28,189.56x = 42,275.91 × 17,675.55
  4. Step 4: Simplify right side
    28,189.56x = 747,249,961.00
  5. Step 5: Solve for x
    x = 747,249,961.00/28,189.56
  6. Step 6: Final answer
    x = 26,508.04

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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.