Home / 19,955.75-27,550.17-13,250.54

Finding the Fourth Proportional to 19,955.75, 27,550.17 and 13,250.54

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Solution

The fourth proportional to 19,955.75, 27,550.17 and 13,250.54 is: 18,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.75 : 27,550.17 = 13,250.54 : x
  2. Step 2: Convert to fraction form
    19,955.75/27,550.17 = 13,250.54/x
  3. Step 3: Cross multiply
    19,955.75x = 27,550.17 × 13,250.54
  4. Step 4: Simplify right side
    19,955.75x = 365,054,491.84
  5. Step 5: Solve for x
    x = 365,054,491.84/19,955.75
  6. Step 6: Final answer
    x = 18,293.20

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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.