Home / 27,853.26-38,437-15,753.56

Finding the Fourth Proportional to 27,853.26, 38,437 and 15,753.56

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Solution

The fourth proportional to 27,853.26, 38,437 and 15,753.56 is: 21,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.26 : 38,437 = 15,753.56 : x
  2. Step 2: Convert to fraction form
    27,853.26/38,437 = 15,753.56/x
  3. Step 3: Cross multiply
    27,853.26x = 38,437 × 15,753.56
  4. Step 4: Simplify right side
    27,853.26x = 605,519,585.72
  5. Step 5: Solve for x
    x = 605,519,585.72/27,853.26
  6. Step 6: Final answer
    x = 21,739.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.