Home / 27,308.68-37,691.38-15,979.40

Finding the Fourth Proportional to 27,308.68, 37,691.38 and 15,979.40

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Solution

The fourth proportional to 27,308.68, 37,691.38 and 15,979.40 is: 22,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.68 : 37,691.38 = 15,979.40 : x
  2. Step 2: Convert to fraction form
    27,308.68/37,691.38 = 15,979.40/x
  3. Step 3: Cross multiply
    27,308.68x = 37,691.38 × 15,979.40
  4. Step 4: Simplify right side
    27,308.68x = 602,285,637.57
  5. Step 5: Solve for x
    x = 602,285,637.57/27,308.68
  6. Step 6: Final answer
    x = 22,054.73

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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.