Home / 20,002.10-27,606.29-15,214.37

Finding the Fourth Proportional to 20,002.10, 27,606.29 and 15,214.37

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Solution

The fourth proportional to 20,002.10, 27,606.29 and 15,214.37 is: 20,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.10 : 27,606.29 = 15,214.37 : x
  2. Step 2: Convert to fraction form
    20,002.10/27,606.29 = 15,214.37/x
  3. Step 3: Cross multiply
    20,002.10x = 27,606.29 × 15,214.37
  4. Step 4: Simplify right side
    20,002.10x = 420,012,096.28
  5. Step 5: Solve for x
    x = 420,012,096.28/20,002.10
  6. Step 6: Final answer
    x = 20,998.41

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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.