Home / 28,191.16-42,286.84-9,470.66

Finding the Fourth Proportional to 28,191.16, 42,286.84 and 9,470.66

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Solution

The fourth proportional to 28,191.16, 42,286.84 and 9,470.66 is: 14,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.16 : 42,286.84 = 9,470.66 : x
  2. Step 2: Convert to fraction form
    28,191.16/42,286.84 = 9,470.66/x
  3. Step 3: Cross multiply
    28,191.16x = 42,286.84 × 9,470.66
  4. Step 4: Simplify right side
    28,191.16x = 400,484,284.11
  5. Step 5: Solve for x
    x = 400,484,284.11/28,191.16
  6. Step 6: Final answer
    x = 14,206.02

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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.