Home / 20,018.75-27,627.89-11,066.93

Finding the Fourth Proportional to 20,018.75, 27,627.89 and 11,066.93

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Solution

The fourth proportional to 20,018.75, 27,627.89 and 11,066.93 is: 15,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.75 : 27,627.89 = 11,066.93 : x
  2. Step 2: Convert to fraction form
    20,018.75/27,627.89 = 11,066.93/x
  3. Step 3: Cross multiply
    20,018.75x = 27,627.89 × 11,066.93
  4. Step 4: Simplify right side
    20,018.75x = 305,755,834.81
  5. Step 5: Solve for x
    x = 305,755,834.81/20,018.75
  6. Step 6: Final answer
    x = 15,273.48

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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.