Home / 26,760.29-40,143.06-9,897.72

Finding the Fourth Proportional to 26,760.29, 40,143.06 and 9,897.72

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Solution

The fourth proportional to 26,760.29, 40,143.06 and 9,897.72 is: 14,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.29 : 40,143.06 = 9,897.72 : x
  2. Step 2: Convert to fraction form
    26,760.29/40,143.06 = 9,897.72/x
  3. Step 3: Cross multiply
    26,760.29x = 40,143.06 × 9,897.72
  4. Step 4: Simplify right side
    26,760.29x = 397,324,767.82
  5. Step 5: Solve for x
    x = 397,324,767.82/26,760.29
  6. Step 6: Final answer
    x = 14,847.55

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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.