Home / 22,277.20-30,727.72-14,329.48

Finding the Fourth Proportional to 22,277.20, 30,727.72 and 14,329.48

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Solution

The fourth proportional to 22,277.20, 30,727.72 and 14,329.48 is: 19,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.20 : 30,727.72 = 14,329.48 : x
  2. Step 2: Convert to fraction form
    22,277.20/30,727.72 = 14,329.48/x
  3. Step 3: Cross multiply
    22,277.20x = 30,727.72 × 14,329.48
  4. Step 4: Simplify right side
    22,277.20x = 440,312,249.19
  5. Step 5: Solve for x
    x = 440,312,249.19/22,277.20
  6. Step 6: Final answer
    x = 19,765.15

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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.