Home / 28,245.06-42,367.40-7,184.92

Finding the Fourth Proportional to 28,245.06, 42,367.40 and 7,184.92

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Solution

The fourth proportional to 28,245.06, 42,367.40 and 7,184.92 is: 10,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.06 : 42,367.40 = 7,184.92 : x
  2. Step 2: Convert to fraction form
    28,245.06/42,367.40 = 7,184.92/x
  3. Step 3: Cross multiply
    28,245.06x = 42,367.40 × 7,184.92
  4. Step 4: Simplify right side
    28,245.06x = 304,406,371.09
  5. Step 5: Solve for x
    x = 304,406,371.09/28,245.06
  6. Step 6: Final answer
    x = 10,777.33

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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.