Home / 38,002.58-57,004.85-18,007.38

Finding the Fourth Proportional to 38,002.58, 57,004.85 and 18,007.38

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Solution

The fourth proportional to 38,002.58, 57,004.85 and 18,007.38 is: 27,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.58 : 57,004.85 = 18,007.38 : x
  2. Step 2: Convert to fraction form
    38,002.58/57,004.85 = 18,007.38/x
  3. Step 3: Cross multiply
    38,002.58x = 57,004.85 × 18,007.38
  4. Step 4: Simplify right side
    38,002.58x = 1,026,507,995.79
  5. Step 5: Solve for x
    x = 1,026,507,995.79/38,002.58
  6. Step 6: Final answer
    x = 27,011.53

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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.