Home / 57,744.32-86,627.04-17,762.56

Finding the Fourth Proportional to 57,744.32, 86,627.04 and 17,762.56

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Solution

The fourth proportional to 57,744.32, 86,627.04 and 17,762.56 is: 26,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.32 : 86,627.04 = 17,762.56 : x
  2. Step 2: Convert to fraction form
    57,744.32/86,627.04 = 17,762.56/x
  3. Step 3: Cross multiply
    57,744.32x = 86,627.04 × 17,762.56
  4. Step 4: Simplify right side
    57,744.32x = 1,538,717,995.62
  5. Step 5: Solve for x
    x = 1,538,717,995.62/57,744.32
  6. Step 6: Final answer
    x = 26,647.09

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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.