Home / 27,949.08-38,575.20-16,020.40

Finding the Fourth Proportional to 27,949.08, 38,575.20 and 16,020.40

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Solution

The fourth proportional to 27,949.08, 38,575.20 and 16,020.40 is: 22,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.08 : 38,575.20 = 16,020.40 : x
  2. Step 2: Convert to fraction form
    27,949.08/38,575.20 = 16,020.40/x
  3. Step 3: Cross multiply
    27,949.08x = 38,575.20 × 16,020.40
  4. Step 4: Simplify right side
    27,949.08x = 617,990,134.08
  5. Step 5: Solve for x
    x = 617,990,134.08/27,949.08
  6. Step 6: Final answer
    x = 22,111.29

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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.