Home / 28,844.87-39,805.92-15,924.15

Finding the Fourth Proportional to 28,844.87, 39,805.92 and 15,924.15

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Solution

The fourth proportional to 28,844.87, 39,805.92 and 15,924.15 is: 21,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.87 : 39,805.92 = 15,924.15 : x
  2. Step 2: Convert to fraction form
    28,844.87/39,805.92 = 15,924.15/x
  3. Step 3: Cross multiply
    28,844.87x = 39,805.92 × 15,924.15
  4. Step 4: Simplify right side
    28,844.87x = 633,875,291.70
  5. Step 5: Solve for x
    x = 633,875,291.70/28,844.87
  6. Step 6: Final answer
    x = 21,975.32

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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.