Home / 28,837.80-43,250.16-13,240.44

Finding the Fourth Proportional to 28,837.80, 43,250.16 and 13,240.44

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Solution

The fourth proportional to 28,837.80, 43,250.16 and 13,240.44 is: 19,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.80 : 43,250.16 = 13,240.44 : x
  2. Step 2: Convert to fraction form
    28,837.80/43,250.16 = 13,240.44/x
  3. Step 3: Cross multiply
    28,837.80x = 43,250.16 × 13,240.44
  4. Step 4: Simplify right side
    28,837.80x = 572,651,148.47
  5. Step 5: Solve for x
    x = 572,651,148.47/28,837.80
  6. Step 6: Final answer
    x = 19,857.66

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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.