Home / 28,250.72-42,389.91-11,383.03

Finding the Fourth Proportional to 28,250.72, 42,389.91 and 11,383.03

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Solution

The fourth proportional to 28,250.72, 42,389.91 and 11,383.03 is: 17,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.72 : 42,389.91 = 11,383.03 : x
  2. Step 2: Convert to fraction form
    28,250.72/42,389.91 = 11,383.03/x
  3. Step 3: Cross multiply
    28,250.72x = 42,389.91 × 11,383.03
  4. Step 4: Simplify right side
    28,250.72x = 482,525,348.36
  5. Step 5: Solve for x
    x = 482,525,348.36/28,250.72
  6. Step 6: Final answer
    x = 17,080.11

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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.