Home / 57,928-86,895.68-16,378.24

Finding the Fourth Proportional to 57,928, 86,895.68 and 16,378.24

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Solution

The fourth proportional to 57,928, 86,895.68 and 16,378.24 is: 24,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928 : 86,895.68 = 16,378.24 : x
  2. Step 2: Convert to fraction form
    57,928/86,895.68 = 16,378.24/x
  3. Step 3: Cross multiply
    57,928x = 86,895.68 × 16,378.24
  4. Step 4: Simplify right side
    57,928x = 1,423,198,302.00
  5. Step 5: Solve for x
    x = 1,423,198,302.00/57,928
  6. Step 6: Final answer
    x = 24,568.40

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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.