Home / 26,521.89-39,774.70-8,749.27

Finding the Fourth Proportional to 26,521.89, 39,774.70 and 8,749.27

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Solution

The fourth proportional to 26,521.89, 39,774.70 and 8,749.27 is: 13,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.89 : 39,774.70 = 8,749.27 : x
  2. Step 2: Convert to fraction form
    26,521.89/39,774.70 = 8,749.27/x
  3. Step 3: Cross multiply
    26,521.89x = 39,774.70 × 8,749.27
  4. Step 4: Simplify right side
    26,521.89x = 347,999,589.47
  5. Step 5: Solve for x
    x = 347,999,589.47/26,521.89
  6. Step 6: Final answer
    x = 13,121.22

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1.5x scale

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.