Home / 26,862.80-40,294.20-8,145.72

Finding the Fourth Proportional to 26,862.80, 40,294.20 and 8,145.72

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Solution

The fourth proportional to 26,862.80, 40,294.20 and 8,145.72 is: 12,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.80 : 40,294.20 = 8,145.72 : x
  2. Step 2: Convert to fraction form
    26,862.80/40,294.20 = 8,145.72/x
  3. Step 3: Cross multiply
    26,862.80x = 40,294.20 × 8,145.72
  4. Step 4: Simplify right side
    26,862.80x = 328,225,270.82
  5. Step 5: Solve for x
    x = 328,225,270.82/26,862.80
  6. Step 6: Final answer
    x = 12,218.58

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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.