Home / 27,117.90-37,420.92-15,179.22

Finding the Fourth Proportional to 27,117.90, 37,420.92 and 15,179.22

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Solution

The fourth proportional to 27,117.90, 37,420.92 and 15,179.22 is: 20,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.90 : 37,420.92 = 15,179.22 : x
  2. Step 2: Convert to fraction form
    27,117.90/37,420.92 = 15,179.22/x
  3. Step 3: Cross multiply
    27,117.90x = 37,420.92 × 15,179.22
  4. Step 4: Simplify right side
    27,117.90x = 568,020,377.28
  5. Step 5: Solve for x
    x = 568,020,377.28/27,117.90
  6. Step 6: Final answer
    x = 20,946.33

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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.