Home / 22,582.28-31,157.91-13,025.09

Finding the Fourth Proportional to 22,582.28, 31,157.91 and 13,025.09

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Solution

The fourth proportional to 22,582.28, 31,157.91 and 13,025.09 is: 17,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.28 : 31,157.91 = 13,025.09 : x
  2. Step 2: Convert to fraction form
    22,582.28/31,157.91 = 13,025.09/x
  3. Step 3: Cross multiply
    22,582.28x = 31,157.91 × 13,025.09
  4. Step 4: Simplify right side
    22,582.28x = 405,834,426.17
  5. Step 5: Solve for x
    x = 405,834,426.17/22,582.28
  6. Step 6: Final answer
    x = 17,971.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.