Home / 20,263.16-27,900.78-17,272.28

Finding the Fourth Proportional to 20,263.16, 27,900.78 and 17,272.28

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Solution

The fourth proportional to 20,263.16, 27,900.78 and 17,272.28 is: 23,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.16 : 27,900.78 = 17,272.28 : x
  2. Step 2: Convert to fraction form
    20,263.16/27,900.78 = 17,272.28/x
  3. Step 3: Cross multiply
    20,263.16x = 27,900.78 × 17,272.28
  4. Step 4: Simplify right side
    20,263.16x = 481,910,084.38
  5. Step 5: Solve for x
    x = 481,910,084.38/20,263.16
  6. Step 6: Final answer
    x = 23,782.57

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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.