Home / 28,782.24-43,147.80-11,248.08

Finding the Fourth Proportional to 28,782.24, 43,147.80 and 11,248.08

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Solution

The fourth proportional to 28,782.24, 43,147.80 and 11,248.08 is: 16,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.24 : 43,147.80 = 11,248.08 : x
  2. Step 2: Convert to fraction form
    28,782.24/43,147.80 = 11,248.08/x
  3. Step 3: Cross multiply
    28,782.24x = 43,147.80 × 11,248.08
  4. Step 4: Simplify right side
    28,782.24x = 485,329,906.22
  5. Step 5: Solve for x
    x = 485,329,906.22/28,782.24
  6. Step 6: Final answer
    x = 16,862.13

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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.