Home / 43,288.74-59,728.97-28,179.78

Finding the Fourth Proportional to 43,288.74, 59,728.97 and 28,179.78

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Solution

The fourth proportional to 43,288.74, 59,728.97 and 28,179.78 is: 38,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,288.74 : 59,728.97 = 28,179.78 : x
  2. Step 2: Convert to fraction form
    43,288.74/59,728.97 = 28,179.78/x
  3. Step 3: Cross multiply
    43,288.74x = 59,728.97 × 28,179.78
  4. Step 4: Simplify right side
    43,288.74x = 1,683,149,234.23
  5. Step 5: Solve for x
    x = 1,683,149,234.23/43,288.74
  6. Step 6: Final answer
    x = 38,881.92

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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.