Home / 26,009.74-39,014.58-8,479.54

Finding the Fourth Proportional to 26,009.74, 39,014.58 and 8,479.54

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Solution

The fourth proportional to 26,009.74, 39,014.58 and 8,479.54 is: 12,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,009.74 : 39,014.58 = 8,479.54 : x
  2. Step 2: Convert to fraction form
    26,009.74/39,014.58 = 8,479.54/x
  3. Step 3: Cross multiply
    26,009.74x = 39,014.58 × 8,479.54
  4. Step 4: Simplify right side
    26,009.74x = 330,825,691.69
  5. Step 5: Solve for x
    x = 330,825,691.69/26,009.74
  6. Step 6: Final answer
    x = 12,719.30

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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.