Home / 43,096.80-64,645.20-15,389.28

Finding the Fourth Proportional to 43,096.80, 64,645.20 and 15,389.28

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Solution

The fourth proportional to 43,096.80, 64,645.20 and 15,389.28 is: 23,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,096.80 : 64,645.20 = 15,389.28 : x
  2. Step 2: Convert to fraction form
    43,096.80/64,645.20 = 15,389.28/x
  3. Step 3: Cross multiply
    43,096.80x = 64,645.20 × 15,389.28
  4. Step 4: Simplify right side
    43,096.80x = 994,843,083.46
  5. Step 5: Solve for x
    x = 994,843,083.46/43,096.80
  6. Step 6: Final answer
    x = 23,083.92

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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.