Home / 26,503.30-39,739.83-10,902.34

Finding the Fourth Proportional to 26,503.30, 39,739.83 and 10,902.34

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Solution

The fourth proportional to 26,503.30, 39,739.83 and 10,902.34 is: 16,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.30 : 39,739.83 = 10,902.34 : x
  2. Step 2: Convert to fraction form
    26,503.30/39,739.83 = 10,902.34/x
  3. Step 3: Cross multiply
    26,503.30x = 39,739.83 × 10,902.34
  4. Step 4: Simplify right side
    26,503.30x = 433,257,138.20
  5. Step 5: Solve for x
    x = 433,257,138.20/26,503.30
  6. Step 6: Final answer
    x = 16,347.29

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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.