Home / 27,478.72-41,221.35-8,752.18

Finding the Fourth Proportional to 27,478.72, 41,221.35 and 8,752.18

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Solution

The fourth proportional to 27,478.72, 41,221.35 and 8,752.18 is: 13,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.72 : 41,221.35 = 8,752.18 : x
  2. Step 2: Convert to fraction form
    27,478.72/41,221.35 = 8,752.18/x
  3. Step 3: Cross multiply
    27,478.72x = 41,221.35 × 8,752.18
  4. Step 4: Simplify right side
    27,478.72x = 360,776,675.04
  5. Step 5: Solve for x
    x = 360,776,675.04/27,478.72
  6. Step 6: Final answer
    x = 13,129.31

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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.