Home / 27,864.26-38,452.68-15,927.86

Finding the Fourth Proportional to 27,864.26, 38,452.68 and 15,927.86

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Solution

The fourth proportional to 27,864.26, 38,452.68 and 15,927.86 is: 21,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.26 : 38,452.68 = 15,927.86 : x
  2. Step 2: Convert to fraction form
    27,864.26/38,452.68 = 15,927.86/x
  3. Step 3: Cross multiply
    27,864.26x = 38,452.68 × 15,927.86
  4. Step 4: Simplify right side
    27,864.26x = 612,468,711.40
  5. Step 5: Solve for x
    x = 612,468,711.40/27,864.26
  6. Step 6: Final answer
    x = 21,980.44

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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.