Home / 27,920.47-41,864.88-9,195.42

Finding the Fourth Proportional to 27,920.47, 41,864.88 and 9,195.42

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Solution

The fourth proportional to 27,920.47, 41,864.88 and 9,195.42 is: 13,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.47 : 41,864.88 = 9,195.42 : x
  2. Step 2: Convert to fraction form
    27,920.47/41,864.88 = 9,195.42/x
  3. Step 3: Cross multiply
    27,920.47x = 41,864.88 × 9,195.42
  4. Step 4: Simplify right side
    27,920.47x = 384,965,268.74
  5. Step 5: Solve for x
    x = 384,965,268.74/27,920.47
  6. Step 6: Final answer
    x = 13,787.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.