Home / 27,357.56-41,036.31-21,126.65

Finding the Fourth Proportional to 27,357.56, 41,036.31 and 21,126.65

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Solution

The fourth proportional to 27,357.56, 41,036.31 and 21,126.65 is: 31,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.56 : 41,036.31 = 21,126.65 : x
  2. Step 2: Convert to fraction form
    27,357.56/41,036.31 = 21,126.65/x
  3. Step 3: Cross multiply
    27,357.56x = 41,036.31 × 21,126.65
  4. Step 4: Simplify right side
    27,357.56x = 866,959,553.48
  5. Step 5: Solve for x
    x = 866,959,553.48/27,357.56
  6. Step 6: Final answer
    x = 31,689.95

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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.