Home / 26,111.30-39,159.03-7,389.86

Finding the Fourth Proportional to 26,111.30, 39,159.03 and 7,389.86

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Solution

The fourth proportional to 26,111.30, 39,159.03 and 7,389.86 is: 11,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.30 : 39,159.03 = 7,389.86 : x
  2. Step 2: Convert to fraction form
    26,111.30/39,159.03 = 7,389.86/x
  3. Step 3: Cross multiply
    26,111.30x = 39,159.03 × 7,389.86
  4. Step 4: Simplify right side
    26,111.30x = 289,379,749.44
  5. Step 5: Solve for x
    x = 289,379,749.44/26,111.30
  6. Step 6: Final answer
    x = 11,082.55

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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.