Home / 27,904.15-41,857.10-10,138.42

Finding the Fourth Proportional to 27,904.15, 41,857.10 and 10,138.42

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Solution

The fourth proportional to 27,904.15, 41,857.10 and 10,138.42 is: 15,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.15 : 41,857.10 = 10,138.42 : x
  2. Step 2: Convert to fraction form
    27,904.15/41,857.10 = 10,138.42/x
  3. Step 3: Cross multiply
    27,904.15x = 41,857.10 × 10,138.42
  4. Step 4: Simplify right side
    27,904.15x = 424,364,859.78
  5. Step 5: Solve for x
    x = 424,364,859.78/27,904.15
  6. Step 6: Final answer
    x = 15,207.95

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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.