Home / 43,294.79-64,942.65-15,215.64

Finding the Fourth Proportional to 43,294.79, 64,942.65 and 15,215.64

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Solution

The fourth proportional to 43,294.79, 64,942.65 and 15,215.64 is: 22,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,294.79 : 64,942.65 = 15,215.64 : x
  2. Step 2: Convert to fraction form
    43,294.79/64,942.65 = 15,215.64/x
  3. Step 3: Cross multiply
    43,294.79x = 64,942.65 × 15,215.64
  4. Step 4: Simplify right side
    43,294.79x = 988,143,983.05
  5. Step 5: Solve for x
    x = 988,143,983.05/43,294.79
  6. Step 6: Final answer
    x = 22,823.63

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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.