Home / 52,705.28-72,734.36-28,833.52

Finding the Fourth Proportional to 52,705.28, 72,734.36 and 28,833.52

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Solution

The fourth proportional to 52,705.28, 72,734.36 and 28,833.52 is: 39,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.28 : 72,734.36 = 28,833.52 : x
  2. Step 2: Convert to fraction form
    52,705.28/72,734.36 = 28,833.52/x
  3. Step 3: Cross multiply
    52,705.28x = 72,734.36 × 28,833.52
  4. Step 4: Simplify right side
    52,705.28x = 2,097,187,623.75
  5. Step 5: Solve for x
    x = 2,097,187,623.75/52,705.28
  6. Step 6: Final answer
    x = 39,790.84

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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.