Home / 27,684.38-38,207.65-15,749.59

Finding the Fourth Proportional to 27,684.38, 38,207.65 and 15,749.59

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Solution

The fourth proportional to 27,684.38, 38,207.65 and 15,749.59 is: 21,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.38 : 38,207.65 = 15,749.59 : x
  2. Step 2: Convert to fraction form
    27,684.38/38,207.65 = 15,749.59/x
  3. Step 3: Cross multiply
    27,684.38x = 38,207.65 × 15,749.59
  4. Step 4: Simplify right side
    27,684.38x = 601,754,788.64
  5. Step 5: Solve for x
    x = 601,754,788.64/27,684.38
  6. Step 6: Final answer
    x = 21,736.25

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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.