Home / 36,400.28-54,578.87-14,187.72

Finding the Fourth Proportional to 36,400.28, 54,578.87 and 14,187.72

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Solution

The fourth proportional to 36,400.28, 54,578.87 and 14,187.72 is: 21,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.28 : 54,578.87 = 14,187.72 : x
  2. Step 2: Convert to fraction form
    36,400.28/54,578.87 = 14,187.72/x
  3. Step 3: Cross multiply
    36,400.28x = 54,578.87 × 14,187.72
  4. Step 4: Simplify right side
    36,400.28x = 774,349,654.54
  5. Step 5: Solve for x
    x = 774,349,654.54/36,400.28
  6. Step 6: Final answer
    x = 21,273.18

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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.