Home / 27,116.66-37,389.13-21,734.80

Finding the Fourth Proportional to 27,116.66, 37,389.13 and 21,734.80

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Solution

The fourth proportional to 27,116.66, 37,389.13 and 21,734.80 is: 29,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.66 : 37,389.13 = 21,734.80 : x
  2. Step 2: Convert to fraction form
    27,116.66/37,389.13 = 21,734.80/x
  3. Step 3: Cross multiply
    27,116.66x = 37,389.13 × 21,734.80
  4. Step 4: Simplify right side
    27,116.66x = 812,645,114.91
  5. Step 5: Solve for x
    x = 812,645,114.91/27,116.66
  6. Step 6: Final answer
    x = 29,968.48

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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.