Home / 47,728.47-65,874.96-27,586.20

Finding the Fourth Proportional to 47,728.47, 65,874.96 and 27,586.20

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Solution

The fourth proportional to 47,728.47, 65,874.96 and 27,586.20 is: 38,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.47 : 65,874.96 = 27,586.20 : x
  2. Step 2: Convert to fraction form
    47,728.47/65,874.96 = 27,586.20/x
  3. Step 3: Cross multiply
    47,728.47x = 65,874.96 × 27,586.20
  4. Step 4: Simplify right side
    47,728.47x = 1,817,239,821.55
  5. Step 5: Solve for x
    x = 1,817,239,821.55/47,728.47
  6. Step 6: Final answer
    x = 38,074.55

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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.