Home / 27,669.60-38,184.44-15,732.90

Finding the Fourth Proportional to 27,669.60, 38,184.44 and 15,732.90

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Solution

The fourth proportional to 27,669.60, 38,184.44 and 15,732.90 is: 21,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.60 : 38,184.44 = 15,732.90 : x
  2. Step 2: Convert to fraction form
    27,669.60/38,184.44 = 15,732.90/x
  3. Step 3: Cross multiply
    27,669.60x = 38,184.44 × 15,732.90
  4. Step 4: Simplify right side
    27,669.60x = 600,751,976.08
  5. Step 5: Solve for x
    x = 600,751,976.08/27,669.60
  6. Step 6: Final answer
    x = 21,711.62

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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.