Home / 27,722.68-38,257.86-15,148.24

Finding the Fourth Proportional to 27,722.68, 38,257.86 and 15,148.24

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Solution

The fourth proportional to 27,722.68, 38,257.86 and 15,148.24 is: 20,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.68 : 38,257.86 = 15,148.24 : x
  2. Step 2: Convert to fraction form
    27,722.68/38,257.86 = 15,148.24/x
  3. Step 3: Cross multiply
    27,722.68x = 38,257.86 × 15,148.24
  4. Step 4: Simplify right side
    27,722.68x = 579,539,245.17
  5. Step 5: Solve for x
    x = 579,539,245.17/27,722.68
  6. Step 6: Final answer
    x = 20,904.88

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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.