Home / 52,774-72,828.92-28,902.89

Finding the Fourth Proportional to 52,774, 72,828.92 and 28,902.89

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Solution

The fourth proportional to 52,774, 72,828.92 and 28,902.89 is: 39,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,774 : 72,828.92 = 28,902.89 : x
  2. Step 2: Convert to fraction form
    52,774/72,828.92 = 28,902.89/x
  3. Step 3: Cross multiply
    52,774x = 72,828.92 × 28,902.89
  4. Step 4: Simplify right side
    52,774x = 2,104,966,263.58
  5. Step 5: Solve for x
    x = 2,104,966,263.58/52,774
  6. Step 6: Final answer
    x = 39,886.43

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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.