Home / 43,991.68-65,988.32-15,913.92

Finding the Fourth Proportional to 43,991.68, 65,988.32 and 15,913.92

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Solution

The fourth proportional to 43,991.68, 65,988.32 and 15,913.92 is: 23,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,991.68 : 65,988.32 = 15,913.92 : x
  2. Step 2: Convert to fraction form
    43,991.68/65,988.32 = 15,913.92/x
  3. Step 3: Cross multiply
    43,991.68x = 65,988.32 × 15,913.92
  4. Step 4: Simplify right side
    43,991.68x = 1,050,132,845.41
  5. Step 5: Solve for x
    x = 1,050,132,845.41/43,991.68
  6. Step 6: Final answer
    x = 23,871.17

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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.