Home / 52,821.24-72,893.87-28,947.39

Finding the Fourth Proportional to 52,821.24, 72,893.87 and 28,947.39

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Solution

The fourth proportional to 52,821.24, 72,893.87 and 28,947.39 is: 39,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.24 : 72,893.87 = 28,947.39 : x
  2. Step 2: Convert to fraction form
    52,821.24/72,893.87 = 28,947.39/x
  3. Step 3: Cross multiply
    52,821.24x = 72,893.87 × 28,947.39
  4. Step 4: Simplify right side
    52,821.24x = 2,110,087,283.50
  5. Step 5: Solve for x
    x = 2,110,087,283.50/52,821.24
  6. Step 6: Final answer
    x = 39,947.70

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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.