Home / 27,393.61-37,802.19-17,190.15

Finding the Fourth Proportional to 27,393.61, 37,802.19 and 17,190.15

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Solution

The fourth proportional to 27,393.61, 37,802.19 and 17,190.15 is: 23,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.61 : 37,802.19 = 17,190.15 : x
  2. Step 2: Convert to fraction form
    27,393.61/37,802.19 = 17,190.15/x
  3. Step 3: Cross multiply
    27,393.61x = 37,802.19 × 17,190.15
  4. Step 4: Simplify right side
    27,393.61x = 649,825,316.43
  5. Step 5: Solve for x
    x = 649,825,316.43/27,393.61
  6. Step 6: Final answer
    x = 23,721.78

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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.