Home / 17,427.91-26,140.98-5,419.96

Finding the Fourth Proportional to 17,427.91, 26,140.98 and 5,419.96

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Solution

The fourth proportional to 17,427.91, 26,140.98 and 5,419.96 is: 8,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.91 : 26,140.98 = 5,419.96 : x
  2. Step 2: Convert to fraction form
    17,427.91/26,140.98 = 5,419.96/x
  3. Step 3: Cross multiply
    17,427.91x = 26,140.98 × 5,419.96
  4. Step 4: Simplify right side
    17,427.91x = 141,683,065.96
  5. Step 5: Solve for x
    x = 141,683,065.96/17,427.91
  6. Step 6: Final answer
    x = 8,129.66

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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.