Home / 17,430.58-26,147.60-5,581.38

Finding the Fourth Proportional to 17,430.58, 26,147.60 and 5,581.38

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Solution

The fourth proportional to 17,430.58, 26,147.60 and 5,581.38 is: 8,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.58 : 26,147.60 = 5,581.38 : x
  2. Step 2: Convert to fraction form
    17,430.58/26,147.60 = 5,581.38/x
  3. Step 3: Cross multiply
    17,430.58x = 26,147.60 × 5,581.38
  4. Step 4: Simplify right side
    17,430.58x = 145,939,701.38
  5. Step 5: Solve for x
    x = 145,939,701.38/17,430.58
  6. Step 6: Final answer
    x = 8,372.62

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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.