Home / 26,999.55-40,499.33-17,145.90

Finding the Fourth Proportional to 26,999.55, 40,499.33 and 17,145.90

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Solution

The fourth proportional to 26,999.55, 40,499.33 and 17,145.90 is: 25,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.55 : 40,499.33 = 17,145.90 : x
  2. Step 2: Convert to fraction form
    26,999.55/40,499.33 = 17,145.90/x
  3. Step 3: Cross multiply
    26,999.55x = 40,499.33 × 17,145.90
  4. Step 4: Simplify right side
    26,999.55x = 694,397,376.52
  5. Step 5: Solve for x
    x = 694,397,376.52/26,999.55
  6. Step 6: Final answer
    x = 25,718.85

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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.