Home / 43,887.27-65,867.76-18,946.16

Finding the Fourth Proportional to 43,887.27, 65,867.76 and 18,946.16

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Solution

The fourth proportional to 43,887.27, 65,867.76 and 18,946.16 is: 28,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,887.27 : 65,867.76 = 18,946.16 : x
  2. Step 2: Convert to fraction form
    43,887.27/65,867.76 = 18,946.16/x
  3. Step 3: Cross multiply
    43,887.27x = 65,867.76 × 18,946.16
  4. Step 4: Simplify right side
    43,887.27x = 1,247,940,790.46
  5. Step 5: Solve for x
    x = 1,247,940,790.46/43,887.27
  6. Step 6: Final answer
    x = 28,435.14

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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.