Home / 26,145.57-39,217.90-6,424.30

Finding the Fourth Proportional to 26,145.57, 39,217.90 and 6,424.30

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Solution

The fourth proportional to 26,145.57, 39,217.90 and 6,424.30 is: 9,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.57 : 39,217.90 = 6,424.30 : x
  2. Step 2: Convert to fraction form
    26,145.57/39,217.90 = 6,424.30/x
  3. Step 3: Cross multiply
    26,145.57x = 39,217.90 × 6,424.30
  4. Step 4: Simplify right side
    26,145.57x = 251,947,554.97
  5. Step 5: Solve for x
    x = 251,947,554.97/26,145.57
  6. Step 6: Final answer
    x = 9,636.34

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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.