Home / 25,295.67-34,910.38-18,911.20

Finding the Fourth Proportional to 25,295.67, 34,910.38 and 18,911.20

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Solution

The fourth proportional to 25,295.67, 34,910.38 and 18,911.20 is: 26,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.67 : 34,910.38 = 18,911.20 : x
  2. Step 2: Convert to fraction form
    25,295.67/34,910.38 = 18,911.20/x
  3. Step 3: Cross multiply
    25,295.67x = 34,910.38 × 18,911.20
  4. Step 4: Simplify right side
    25,295.67x = 660,197,178.26
  5. Step 5: Solve for x
    x = 660,197,178.26/25,295.67
  6. Step 6: Final answer
    x = 26,099.22

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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.