Home / 43,378.72-65,119.84-25,856.80

Finding the Fourth Proportional to 43,378.72, 65,119.84 and 25,856.80

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Solution

The fourth proportional to 43,378.72, 65,119.84 and 25,856.80 is: 38,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.72 : 65,119.84 = 25,856.80 : x
  2. Step 2: Convert to fraction form
    43,378.72/65,119.84 = 25,856.80/x
  3. Step 3: Cross multiply
    43,378.72x = 65,119.84 × 25,856.80
  4. Step 4: Simplify right side
    43,378.72x = 1,683,790,678.91
  5. Step 5: Solve for x
    x = 1,683,790,678.91/43,378.72
  6. Step 6: Final answer
    x = 38,816.05

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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.