Home / 20,250.42-27,945.45-11,176.26

Finding the Fourth Proportional to 20,250.42, 27,945.45 and 11,176.26

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Solution

The fourth proportional to 20,250.42, 27,945.45 and 11,176.26 is: 15,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.42 : 27,945.45 = 11,176.26 : x
  2. Step 2: Convert to fraction form
    20,250.42/27,945.45 = 11,176.26/x
  3. Step 3: Cross multiply
    20,250.42x = 27,945.45 × 11,176.26
  4. Step 4: Simplify right side
    20,250.42x = 312,325,615.02
  5. Step 5: Solve for x
    x = 312,325,615.02/20,250.42
  6. Step 6: Final answer
    x = 15,423.17

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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.