Home / 22,579.24-31,155.36-13,016.92

Finding the Fourth Proportional to 22,579.24, 31,155.36 and 13,016.92

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Solution

The fourth proportional to 22,579.24, 31,155.36 and 13,016.92 is: 17,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.24 : 31,155.36 = 13,016.92 : x
  2. Step 2: Convert to fraction form
    22,579.24/31,155.36 = 13,016.92/x
  3. Step 3: Cross multiply
    22,579.24x = 31,155.36 × 13,016.92
  4. Step 4: Simplify right side
    22,579.24x = 405,546,828.69
  5. Step 5: Solve for x
    x = 405,546,828.69/22,579.24
  6. Step 6: Final answer
    x = 17,961.05

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1.5x scale

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.