Home / 27,103.05-40,660.55-8,126.93

Finding the Fourth Proportional to 27,103.05, 40,660.55 and 8,126.93

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Solution

The fourth proportional to 27,103.05, 40,660.55 and 8,126.93 is: 12,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.05 : 40,660.55 = 8,126.93 : x
  2. Step 2: Convert to fraction form
    27,103.05/40,660.55 = 8,126.93/x
  3. Step 3: Cross multiply
    27,103.05x = 40,660.55 × 8,126.93
  4. Step 4: Simplify right side
    27,103.05x = 330,445,443.61
  5. Step 5: Solve for x
    x = 330,445,443.61/27,103.05
  6. Step 6: Final answer
    x = 12,192.19

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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.