Home / 27,949.66-38,569.76-15,374.42

Finding the Fourth Proportional to 27,949.66, 38,569.76 and 15,374.42

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Solution

The fourth proportional to 27,949.66, 38,569.76 and 15,374.42 is: 21,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.66 : 38,569.76 = 15,374.42 : x
  2. Step 2: Convert to fraction form
    27,949.66/38,569.76 = 15,374.42/x
  3. Step 3: Cross multiply
    27,949.66x = 38,569.76 × 15,374.42
  4. Step 4: Simplify right side
    27,949.66x = 592,987,689.54
  5. Step 5: Solve for x
    x = 592,987,689.54/27,949.66
  6. Step 6: Final answer
    x = 21,216.28

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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.