Home / 27,456.26-37,889.42-15,521.94

Finding the Fourth Proportional to 27,456.26, 37,889.42 and 15,521.94

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Solution

The fourth proportional to 27,456.26, 37,889.42 and 15,521.94 is: 21,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.26 : 37,889.42 = 15,521.94 : x
  2. Step 2: Convert to fraction form
    27,456.26/37,889.42 = 15,521.94/x
  3. Step 3: Cross multiply
    27,456.26x = 37,889.42 × 15,521.94
  4. Step 4: Simplify right side
    27,456.26x = 588,117,226.27
  5. Step 5: Solve for x
    x = 588,117,226.27/27,456.26
  6. Step 6: Final answer
    x = 21,420.15

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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.