Home / 27,656.92-38,166.78-15,081.64

Finding the Fourth Proportional to 27,656.92, 38,166.78 and 15,081.64

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Solution

The fourth proportional to 27,656.92, 38,166.78 and 15,081.64 is: 20,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.92 : 38,166.78 = 15,081.64 : x
  2. Step 2: Convert to fraction form
    27,656.92/38,166.78 = 15,081.64/x
  3. Step 3: Cross multiply
    27,656.92x = 38,166.78 × 15,081.64
  4. Step 4: Simplify right side
    27,656.92x = 575,617,635.92
  5. Step 5: Solve for x
    x = 575,617,635.92/27,656.92
  6. Step 6: Final answer
    x = 20,812.79

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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.