Home / 26,470.80-39,707.28-6,749.87

Finding the Fourth Proportional to 26,470.80, 39,707.28 and 6,749.87

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Solution

The fourth proportional to 26,470.80, 39,707.28 and 6,749.87 is: 10,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,470.80 : 39,707.28 = 6,749.87 : x
  2. Step 2: Convert to fraction form
    26,470.80/39,707.28 = 6,749.87/x
  3. Step 3: Cross multiply
    26,470.80x = 39,707.28 × 6,749.87
  4. Step 4: Simplify right side
    26,470.80x = 268,018,745.77
  5. Step 5: Solve for x
    x = 268,018,745.77/26,470.80
  6. Step 6: Final answer
    x = 10,125.07

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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.