Home / 26,479.74-39,719.59-6,758.30

Finding the Fourth Proportional to 26,479.74, 39,719.59 and 6,758.30

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Solution

The fourth proportional to 26,479.74, 39,719.59 and 6,758.30 is: 10,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.74 : 39,719.59 = 6,758.30 : x
  2. Step 2: Convert to fraction form
    26,479.74/39,719.59 = 6,758.30/x
  3. Step 3: Cross multiply
    26,479.74x = 39,719.59 × 6,758.30
  4. Step 4: Simplify right side
    26,479.74x = 268,436,905.10
  5. Step 5: Solve for x
    x = 268,436,905.10/26,479.74
  6. Step 6: Final answer
    x = 10,137.44

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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.