Home / 26,733.75-36,902.30-15,555.75

Finding the Fourth Proportional to 26,733.75, 36,902.30 and 15,555.75

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Solution

The fourth proportional to 26,733.75, 36,902.30 and 15,555.75 is: 21,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,733.75 : 36,902.30 = 15,555.75 : x
  2. Step 2: Convert to fraction form
    26,733.75/36,902.30 = 15,555.75/x
  3. Step 3: Cross multiply
    26,733.75x = 36,902.30 × 15,555.75
  4. Step 4: Simplify right side
    26,733.75x = 574,042,953.23
  5. Step 5: Solve for x
    x = 574,042,953.23/26,733.75
  6. Step 6: Final answer
    x = 21,472.59

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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.