Home / 27,922.20-38,532.42-15,346.92

Finding the Fourth Proportional to 27,922.20, 38,532.42 and 15,346.92

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Solution

The fourth proportional to 27,922.20, 38,532.42 and 15,346.92 is: 21,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.20 : 38,532.42 = 15,346.92 : x
  2. Step 2: Convert to fraction form
    27,922.20/38,532.42 = 15,346.92/x
  3. Step 3: Cross multiply
    27,922.20x = 38,532.42 × 15,346.92
  4. Step 4: Simplify right side
    27,922.20x = 591,353,967.15
  5. Step 5: Solve for x
    x = 591,353,967.15/27,922.20
  6. Step 6: Final answer
    x = 21,178.63

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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.