Home / 26,414.72-39,621.68-6,424.40

Finding the Fourth Proportional to 26,414.72, 39,621.68 and 6,424.40

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Solution

The fourth proportional to 26,414.72, 39,621.68 and 6,424.40 is: 9,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.72 : 39,621.68 = 6,424.40 : x
  2. Step 2: Convert to fraction form
    26,414.72/39,621.68 = 6,424.40/x
  3. Step 3: Cross multiply
    26,414.72x = 39,621.68 × 6,424.40
  4. Step 4: Simplify right side
    26,414.72x = 254,545,520.99
  5. Step 5: Solve for x
    x = 254,545,520.99/26,414.72
  6. Step 6: Final answer
    x = 9,636.50

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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.