Home / 27,654.96-38,162.58-16,917.70

Finding the Fourth Proportional to 27,654.96, 38,162.58 and 16,917.70

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Solution

The fourth proportional to 27,654.96, 38,162.58 and 16,917.70 is: 23,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.96 : 38,162.58 = 16,917.70 : x
  2. Step 2: Convert to fraction form
    27,654.96/38,162.58 = 16,917.70/x
  3. Step 3: Cross multiply
    27,654.96x = 38,162.58 × 16,917.70
  4. Step 4: Simplify right side
    27,654.96x = 645,623,010.08
  5. Step 5: Solve for x
    x = 645,623,010.08/27,654.96
  6. Step 6: Final answer
    x = 23,345.65

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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.