Home / 21,887.04-32,831.22-8,559.50

Finding the Fourth Proportional to 21,887.04, 32,831.22 and 8,559.50

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Solution

The fourth proportional to 21,887.04, 32,831.22 and 8,559.50 is: 12,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.04 : 32,831.22 = 8,559.50 : x
  2. Step 2: Convert to fraction form
    21,887.04/32,831.22 = 8,559.50/x
  3. Step 3: Cross multiply
    21,887.04x = 32,831.22 × 8,559.50
  4. Step 4: Simplify right side
    21,887.04x = 281,018,827.59
  5. Step 5: Solve for x
    x = 281,018,827.59/21,887.04
  6. Step 6: Final answer
    x = 12,839.51

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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.