Home / 27,780.49-38,339.22-17,025.31

Finding the Fourth Proportional to 27,780.49, 38,339.22 and 17,025.31

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Solution

The fourth proportional to 27,780.49, 38,339.22 and 17,025.31 is: 23,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.49 : 38,339.22 = 17,025.31 : x
  2. Step 2: Convert to fraction form
    27,780.49/38,339.22 = 17,025.31/x
  3. Step 3: Cross multiply
    27,780.49x = 38,339.22 × 17,025.31
  4. Step 4: Simplify right side
    27,780.49x = 652,737,105.66
  5. Step 5: Solve for x
    x = 652,737,105.66/27,780.49
  6. Step 6: Final answer
    x = 23,496.24

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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.