Home / 27,505.42-41,251.52-12,700.11

Finding the Fourth Proportional to 27,505.42, 41,251.52 and 12,700.11

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Solution

The fourth proportional to 27,505.42, 41,251.52 and 12,700.11 is: 19,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.42 : 41,251.52 = 12,700.11 : x
  2. Step 2: Convert to fraction form
    27,505.42/41,251.52 = 12,700.11/x
  3. Step 3: Cross multiply
    27,505.42x = 41,251.52 × 12,700.11
  4. Step 4: Simplify right side
    27,505.42x = 523,898,841.67
  5. Step 5: Solve for x
    x = 523,898,841.67/27,505.42
  6. Step 6: Final answer
    x = 19,047.11

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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.