Home / 28,965.72-43,458.30-9,247.08

Finding the Fourth Proportional to 28,965.72, 43,458.30 and 9,247.08

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Solution

The fourth proportional to 28,965.72, 43,458.30 and 9,247.08 is: 13,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.72 : 43,458.30 = 9,247.08 : x
  2. Step 2: Convert to fraction form
    28,965.72/43,458.30 = 9,247.08/x
  3. Step 3: Cross multiply
    28,965.72x = 43,458.30 × 9,247.08
  4. Step 4: Simplify right side
    28,965.72x = 401,862,376.76
  5. Step 5: Solve for x
    x = 401,862,376.76/28,965.72
  6. Step 6: Final answer
    x = 13,873.72

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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.