Home / 27,659.27-38,169.23-15,084.02

Finding the Fourth Proportional to 27,659.27, 38,169.23 and 15,084.02

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Solution

The fourth proportional to 27,659.27, 38,169.23 and 15,084.02 is: 20,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.27 : 38,169.23 = 15,084.02 : x
  2. Step 2: Convert to fraction form
    27,659.27/38,169.23 = 15,084.02/x
  3. Step 3: Cross multiply
    27,659.27x = 38,169.23 × 15,084.02
  4. Step 4: Simplify right side
    27,659.27x = 575,745,448.71
  5. Step 5: Solve for x
    x = 575,745,448.71/27,659.27
  6. Step 6: Final answer
    x = 20,815.64

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Half scale
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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.