Home / 26,442.70-39,661.34-8,912.68

Finding the Fourth Proportional to 26,442.70, 39,661.34 and 8,912.68

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Solution

The fourth proportional to 26,442.70, 39,661.34 and 8,912.68 is: 13,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.70 : 39,661.34 = 8,912.68 : x
  2. Step 2: Convert to fraction form
    26,442.70/39,661.34 = 8,912.68/x
  3. Step 3: Cross multiply
    26,442.70x = 39,661.34 × 8,912.68
  4. Step 4: Simplify right side
    26,442.70x = 353,488,831.79
  5. Step 5: Solve for x
    x = 353,488,831.79/26,442.70
  6. Step 6: Final answer
    x = 13,368.11

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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.