Home / 28,635.12-42,930-13,044.24

Finding the Fourth Proportional to 28,635.12, 42,930 and 13,044.24

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Solution

The fourth proportional to 28,635.12, 42,930 and 13,044.24 is: 19,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.12 : 42,930 = 13,044.24 : x
  2. Step 2: Convert to fraction form
    28,635.12/42,930 = 13,044.24/x
  3. Step 3: Cross multiply
    28,635.12x = 42,930 × 13,044.24
  4. Step 4: Simplify right side
    28,635.12x = 559,989,223.20
  5. Step 5: Solve for x
    x = 559,989,223.20/28,635.12
  6. Step 6: Final answer
    x = 19,556.03

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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.