Home / 27,391.86-37,799.79-17,188.39

Finding the Fourth Proportional to 27,391.86, 37,799.79 and 17,188.39

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Solution

The fourth proportional to 27,391.86, 37,799.79 and 17,188.39 is: 23,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.86 : 37,799.79 = 17,188.39 : x
  2. Step 2: Convert to fraction form
    27,391.86/37,799.79 = 17,188.39/x
  3. Step 3: Cross multiply
    27,391.86x = 37,799.79 × 17,188.39
  4. Step 4: Simplify right side
    27,391.86x = 649,717,515.23
  5. Step 5: Solve for x
    x = 649,717,515.23/27,391.86
  6. Step 6: Final answer
    x = 23,719.36

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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.