Home / 20,000.14-27,599.66-11,047.45

Finding the Fourth Proportional to 20,000.14, 27,599.66 and 11,047.45

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Solution

The fourth proportional to 20,000.14, 27,599.66 and 11,047.45 is: 15,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.14 : 27,599.66 = 11,047.45 : x
  2. Step 2: Convert to fraction form
    20,000.14/27,599.66 = 11,047.45/x
  3. Step 3: Cross multiply
    20,000.14x = 27,599.66 × 11,047.45
  4. Step 4: Simplify right side
    20,000.14x = 304,905,739.63
  5. Step 5: Solve for x
    x = 304,905,739.63/20,000.14
  6. Step 6: Final answer
    x = 15,245.18

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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.