Home / 18,727.85-28,055.33-10,392.95

Finding the Fourth Proportional to 18,727.85, 28,055.33 and 10,392.95

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Solution

The fourth proportional to 18,727.85, 28,055.33 and 10,392.95 is: 15,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.85 : 28,055.33 = 10,392.95 : x
  2. Step 2: Convert to fraction form
    18,727.85/28,055.33 = 10,392.95/x
  3. Step 3: Cross multiply
    18,727.85x = 28,055.33 × 10,392.95
  4. Step 4: Simplify right side
    18,727.85x = 291,577,589.96
  5. Step 5: Solve for x
    x = 291,577,589.96/18,727.85
  6. Step 6: Final answer
    x = 15,569.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.