Home / 22,917.70-31,626.75-13,965.58

Finding the Fourth Proportional to 22,917.70, 31,626.75 and 13,965.58

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Solution

The fourth proportional to 22,917.70, 31,626.75 and 13,965.58 is: 19,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.70 : 31,626.75 = 13,965.58 : x
  2. Step 2: Convert to fraction form
    22,917.70/31,626.75 = 13,965.58/x
  3. Step 3: Cross multiply
    22,917.70x = 31,626.75 × 13,965.58
  4. Step 4: Simplify right side
    22,917.70x = 441,685,907.27
  5. Step 5: Solve for x
    x = 441,685,907.27/22,917.70
  6. Step 6: Final answer
    x = 19,272.70

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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.