Home / 20,002.42-27,604.99-11,507.30

Finding the Fourth Proportional to 20,002.42, 27,604.99 and 11,507.30

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Solution

The fourth proportional to 20,002.42, 27,604.99 and 11,507.30 is: 15,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.42 : 27,604.99 = 11,507.30 : x
  2. Step 2: Convert to fraction form
    20,002.42/27,604.99 = 11,507.30/x
  3. Step 3: Cross multiply
    20,002.42x = 27,604.99 × 11,507.30
  4. Step 4: Simplify right side
    20,002.42x = 317,658,901.43
  5. Step 5: Solve for x
    x = 317,658,901.43/20,002.42
  6. Step 6: Final answer
    x = 15,881.02

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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.