Home / 27,904.12-38,514.30-15,974.32

Finding the Fourth Proportional to 27,904.12, 38,514.30 and 15,974.32

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Solution

The fourth proportional to 27,904.12, 38,514.30 and 15,974.32 is: 22,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.12 : 38,514.30 = 15,974.32 : x
  2. Step 2: Convert to fraction form
    27,904.12/38,514.30 = 15,974.32/x
  3. Step 3: Cross multiply
    27,904.12x = 38,514.30 × 15,974.32
  4. Step 4: Simplify right side
    27,904.12x = 615,239,752.78
  5. Step 5: Solve for x
    x = 615,239,752.78/27,904.12
  6. Step 6: Final answer
    x = 22,048.35

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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.