Home / 26,007.24-39,018.12-8,478.12

Finding the Fourth Proportional to 26,007.24, 39,018.12 and 8,478.12

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Solution

The fourth proportional to 26,007.24, 39,018.12 and 8,478.12 is: 12,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.24 : 39,018.12 = 8,478.12 : x
  2. Step 2: Convert to fraction form
    26,007.24/39,018.12 = 8,478.12/x
  3. Step 3: Cross multiply
    26,007.24x = 39,018.12 × 8,478.12
  4. Step 4: Simplify right side
    26,007.24x = 330,800,303.53
  5. Step 5: Solve for x
    x = 330,800,303.53/26,007.24
  6. Step 6: Final answer
    x = 12,719.55

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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.