Home / 52,693.29-72,712.77-28,819.17

Finding the Fourth Proportional to 52,693.29, 72,712.77 and 28,819.17

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Solution

The fourth proportional to 52,693.29, 72,712.77 and 28,819.17 is: 39,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,693.29 : 72,712.77 = 28,819.17 : x
  2. Step 2: Convert to fraction form
    52,693.29/72,712.77 = 28,819.17/x
  3. Step 3: Cross multiply
    52,693.29x = 72,712.77 × 28,819.17
  4. Step 4: Simplify right side
    52,693.29x = 2,095,521,679.80
  5. Step 5: Solve for x
    x = 2,095,521,679.80/52,693.29
  6. Step 6: Final answer
    x = 39,768.28

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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.