Home / 43,022-64,535.43-15,320

Finding the Fourth Proportional to 43,022, 64,535.43 and 15,320

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Solution

The fourth proportional to 43,022, 64,535.43 and 15,320 is: 22,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022 : 64,535.43 = 15,320 : x
  2. Step 2: Convert to fraction form
    43,022/64,535.43 = 15,320/x
  3. Step 3: Cross multiply
    43,022x = 64,535.43 × 15,320
  4. Step 4: Simplify right side
    43,022x = 988,682,787.60
  5. Step 5: Solve for x
    x = 988,682,787.60/43,022
  6. Step 6: Final answer
    x = 22,980.87

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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.