Home / 51,902.09-71,624.89-28,028.76

Finding the Fourth Proportional to 51,902.09, 71,624.89 and 28,028.76

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Solution

The fourth proportional to 51,902.09, 71,624.89 and 28,028.76 is: 38,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,902.09 : 71,624.89 = 28,028.76 : x
  2. Step 2: Convert to fraction form
    51,902.09/71,624.89 = 28,028.76/x
  3. Step 3: Cross multiply
    51,902.09x = 71,624.89 × 28,028.76
  4. Step 4: Simplify right side
    51,902.09x = 2,007,557,032.84
  5. Step 5: Solve for x
    x = 2,007,557,032.84/51,902.09
  6. Step 6: Final answer
    x = 38,679.69

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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.