Home / 27,992.22-38,626.71-16,659.89

Finding the Fourth Proportional to 27,992.22, 38,626.71 and 16,659.89

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Solution

The fourth proportional to 27,992.22, 38,626.71 and 16,659.89 is: 22,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.22 : 38,626.71 = 16,659.89 : x
  2. Step 2: Convert to fraction form
    27,992.22/38,626.71 = 16,659.89/x
  3. Step 3: Cross multiply
    27,992.22x = 38,626.71 × 16,659.89
  4. Step 4: Simplify right side
    27,992.22x = 643,516,588.18
  5. Step 5: Solve for x
    x = 643,516,588.18/27,992.22
  6. Step 6: Final answer
    x = 22,989.12

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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.