Home / 28,197.18-42,316.25-22,716.72

Finding the Fourth Proportional to 28,197.18, 42,316.25 and 22,716.72

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Solution

The fourth proportional to 28,197.18, 42,316.25 and 22,716.72 is: 34,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.18 : 42,316.25 = 22,716.72 : x
  2. Step 2: Convert to fraction form
    28,197.18/42,316.25 = 22,716.72/x
  3. Step 3: Cross multiply
    28,197.18x = 42,316.25 × 22,716.72
  4. Step 4: Simplify right side
    28,197.18x = 961,286,289.12
  5. Step 5: Solve for x
    x = 961,286,289.12/28,197.18
  6. Step 6: Final answer
    x = 34,091.58

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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.