Home / 20,061.44-27,684.78-13,000.13

Finding the Fourth Proportional to 20,061.44, 27,684.78 and 13,000.13

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Solution

The fourth proportional to 20,061.44, 27,684.78 and 13,000.13 is: 17,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.44 : 27,684.78 = 13,000.13 : x
  2. Step 2: Convert to fraction form
    20,061.44/27,684.78 = 13,000.13/x
  3. Step 3: Cross multiply
    20,061.44x = 27,684.78 × 13,000.13
  4. Step 4: Simplify right side
    20,061.44x = 359,905,739.02
  5. Step 5: Solve for x
    x = 359,905,739.02/20,061.44
  6. Step 6: Final answer
    x = 17,940.17

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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.