Home / 28,812.16-43,218.24-14,932

Finding the Fourth Proportional to 28,812.16, 43,218.24 and 14,932

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Solution

The fourth proportional to 28,812.16, 43,218.24 and 14,932 is: 22,398

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.16 : 43,218.24 = 14,932 : x
  2. Step 2: Convert to fraction form
    28,812.16/43,218.24 = 14,932/x
  3. Step 3: Cross multiply
    28,812.16x = 43,218.24 × 14,932
  4. Step 4: Simplify right side
    28,812.16x = 645,334,759.68
  5. Step 5: Solve for x
    x = 645,334,759.68/28,812.16
  6. Step 6: Final answer
    x = 22,398

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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.