Home / 43,928.91-65,892.78-10,649.27

Finding the Fourth Proportional to 43,928.91, 65,892.78 and 10,649.27

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Solution

The fourth proportional to 43,928.91, 65,892.78 and 10,649.27 is: 15,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,928.91 : 65,892.78 = 10,649.27 : x
  2. Step 2: Convert to fraction form
    43,928.91/65,892.78 = 10,649.27/x
  3. Step 3: Cross multiply
    43,928.91x = 65,892.78 × 10,649.27
  4. Step 4: Simplify right side
    43,928.91x = 701,710,170.00
  5. Step 5: Solve for x
    x = 701,710,170.00/43,928.91
  6. Step 6: Final answer
    x = 15,973.77

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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.