Home / 26,402.91-39,604.38-10,831.47

Finding the Fourth Proportional to 26,402.91, 39,604.38 and 10,831.47

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Solution

The fourth proportional to 26,402.91, 39,604.38 and 10,831.47 is: 16,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.91 : 39,604.38 = 10,831.47 : x
  2. Step 2: Convert to fraction form
    26,402.91/39,604.38 = 10,831.47/x
  3. Step 3: Cross multiply
    26,402.91x = 39,604.38 × 10,831.47
  4. Step 4: Simplify right side
    26,402.91x = 428,973,653.84
  5. Step 5: Solve for x
    x = 428,973,653.84/26,402.91
  6. Step 6: Final answer
    x = 16,247.21

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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.