Home / 52,140.87-71,954.49-28,267.65

Finding the Fourth Proportional to 52,140.87, 71,954.49 and 28,267.65

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Solution

The fourth proportional to 52,140.87, 71,954.49 and 28,267.65 is: 39,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.87 : 71,954.49 = 28,267.65 : x
  2. Step 2: Convert to fraction form
    52,140.87/71,954.49 = 28,267.65/x
  3. Step 3: Cross multiply
    52,140.87x = 71,954.49 × 28,267.65
  4. Step 4: Simplify right side
    52,140.87x = 2,033,984,339.25
  5. Step 5: Solve for x
    x = 2,033,984,339.25/52,140.87
  6. Step 6: Final answer
    x = 39,009.41

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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.