Home / 20,501.54-30,776.62-17,255.06

Finding the Fourth Proportional to 20,501.54, 30,776.62 and 17,255.06

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Solution

The fourth proportional to 20,501.54, 30,776.62 and 17,255.06 is: 25,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.54 : 30,776.62 = 17,255.06 : x
  2. Step 2: Convert to fraction form
    20,501.54/30,776.62 = 17,255.06/x
  3. Step 3: Cross multiply
    20,501.54x = 30,776.62 × 17,255.06
  4. Step 4: Simplify right side
    20,501.54x = 531,052,424.70
  5. Step 5: Solve for x
    x = 531,052,424.70/20,501.54
  6. Step 6: Final answer
    x = 25,903.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.