Home / 27,926.92-38,542.26-15,351.40

Finding the Fourth Proportional to 27,926.92, 38,542.26 and 15,351.40

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Solution

The fourth proportional to 27,926.92, 38,542.26 and 15,351.40 is: 21,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.92 : 38,542.26 = 15,351.40 : x
  2. Step 2: Convert to fraction form
    27,926.92/38,542.26 = 15,351.40/x
  3. Step 3: Cross multiply
    27,926.92x = 38,542.26 × 15,351.40
  4. Step 4: Simplify right side
    27,926.92x = 591,677,650.16
  5. Step 5: Solve for x
    x = 591,677,650.16/27,926.92
  6. Step 6: Final answer
    x = 21,186.64

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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.