Home / 27,419.56-41,129.35-9,889.39

Finding the Fourth Proportional to 27,419.56, 41,129.35 and 9,889.39

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Solution

The fourth proportional to 27,419.56, 41,129.35 and 9,889.39 is: 14,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.56 : 41,129.35 = 9,889.39 : x
  2. Step 2: Convert to fraction form
    27,419.56/41,129.35 = 9,889.39/x
  3. Step 3: Cross multiply
    27,419.56x = 41,129.35 × 9,889.39
  4. Step 4: Simplify right side
    27,419.56x = 406,744,209.28
  5. Step 5: Solve for x
    x = 406,744,209.28/27,419.56
  6. Step 6: Final answer
    x = 14,834.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.