Home / 26,529.92-39,781.18-7,807.52

Finding the Fourth Proportional to 26,529.92, 39,781.18 and 7,807.52

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Solution

The fourth proportional to 26,529.92, 39,781.18 and 7,807.52 is: 11,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.92 : 39,781.18 = 7,807.52 : x
  2. Step 2: Convert to fraction form
    26,529.92/39,781.18 = 7,807.52/x
  3. Step 3: Cross multiply
    26,529.92x = 39,781.18 × 7,807.52
  4. Step 4: Simplify right side
    26,529.92x = 310,592,438.41
  5. Step 5: Solve for x
    x = 310,592,438.41/26,529.92
  6. Step 6: Final answer
    x = 11,707.25

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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.