Home / 52,821.17-72,893.78-28,947.33

Finding the Fourth Proportional to 52,821.17, 72,893.78 and 28,947.33

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Solution

The fourth proportional to 52,821.17, 72,893.78 and 28,947.33 is: 39,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.17 : 72,893.78 = 28,947.33 : x
  2. Step 2: Convert to fraction form
    52,821.17/72,893.78 = 28,947.33/x
  3. Step 3: Cross multiply
    52,821.17x = 72,893.78 × 28,947.33
  4. Step 4: Simplify right side
    52,821.17x = 2,110,080,376.98
  5. Step 5: Solve for x
    x = 2,110,080,376.98/52,821.17
  6. Step 6: Final answer
    x = 39,947.63

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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.