Home / 52,768.97-72,821.28-28,570.19

Finding the Fourth Proportional to 52,768.97, 72,821.28 and 28,570.19

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Solution

The fourth proportional to 52,768.97, 72,821.28 and 28,570.19 is: 39,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.97 : 72,821.28 = 28,570.19 : x
  2. Step 2: Convert to fraction form
    52,768.97/72,821.28 = 28,570.19/x
  3. Step 3: Cross multiply
    52,768.97x = 72,821.28 × 28,570.19
  4. Step 4: Simplify right side
    52,768.97x = 2,080,517,441.54
  5. Step 5: Solve for x
    x = 2,080,517,441.54/52,768.97
  6. Step 6: Final answer
    x = 39,426.91

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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.