Home / 52,872.94-72,964.76-28,999.81

Finding the Fourth Proportional to 52,872.94, 72,964.76 and 28,999.81

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Solution

The fourth proportional to 52,872.94, 72,964.76 and 28,999.81 is: 40,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.94 : 72,964.76 = 28,999.81 : x
  2. Step 2: Convert to fraction form
    52,872.94/72,964.76 = 28,999.81/x
  3. Step 3: Cross multiply
    52,872.94x = 72,964.76 × 28,999.81
  4. Step 4: Simplify right side
    52,872.94x = 2,115,964,176.70
  5. Step 5: Solve for x
    x = 2,115,964,176.70/52,872.94
  6. Step 6: Final answer
    x = 40,019.79

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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.