Home / 26,554.39-36,640.84-15,221.72

Finding the Fourth Proportional to 26,554.39, 36,640.84 and 15,221.72

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Solution

The fourth proportional to 26,554.39, 36,640.84 and 15,221.72 is: 21,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,554.39 : 36,640.84 = 15,221.72 : x
  2. Step 2: Convert to fraction form
    26,554.39/36,640.84 = 15,221.72/x
  3. Step 3: Cross multiply
    26,554.39x = 36,640.84 × 15,221.72
  4. Step 4: Simplify right side
    26,554.39x = 557,736,607.04
  5. Step 5: Solve for x
    x = 557,736,607.04/26,554.39
  6. Step 6: Final answer
    x = 21,003.56

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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.