Home / 38,698.16-58,028.00-12,399.48

Finding the Fourth Proportional to 38,698.16, 58,028.00 and 12,399.48

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Solution

The fourth proportional to 38,698.16, 58,028.00 and 12,399.48 is: 18,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.16 : 58,028.00 = 12,399.48 : x
  2. Step 2: Convert to fraction form
    38,698.16/58,028.00 = 12,399.48/x
  3. Step 3: Cross multiply
    38,698.16x = 58,028.00 × 12,399.48
  4. Step 4: Simplify right side
    38,698.16x = 719,516,963.44
  5. Step 5: Solve for x
    x = 719,516,963.44/38,698.16
  6. Step 6: Final answer
    x = 18,593.06

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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.