Home / 21,354.20-32,050.98-10,831.61

Finding the Fourth Proportional to 21,354.20, 32,050.98 and 10,831.61

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Solution

The fourth proportional to 21,354.20, 32,050.98 and 10,831.61 is: 16,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.20 : 32,050.98 = 10,831.61 : x
  2. Step 2: Convert to fraction form
    21,354.20/32,050.98 = 10,831.61/x
  3. Step 3: Cross multiply
    21,354.20x = 32,050.98 × 10,831.61
  4. Step 4: Simplify right side
    21,354.20x = 347,163,555.22
  5. Step 5: Solve for x
    x = 347,163,555.22/21,354.20
  6. Step 6: Final answer
    x = 16,257.39

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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.