Home / 21,469.80-32,204.70-5,887.40

Finding the Fourth Proportional to 21,469.80, 32,204.70 and 5,887.40

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Solution

The fourth proportional to 21,469.80, 32,204.70 and 5,887.40 is: 8,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.80 : 32,204.70 = 5,887.40 : x
  2. Step 2: Convert to fraction form
    21,469.80/32,204.70 = 5,887.40/x
  3. Step 3: Cross multiply
    21,469.80x = 32,204.70 × 5,887.40
  4. Step 4: Simplify right side
    21,469.80x = 189,601,950.78
  5. Step 5: Solve for x
    x = 189,601,950.78/21,469.80
  6. Step 6: Final answer
    x = 8,831.10

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1.5x scale

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.