Home / 26,442.36-39,663.66-8,912.34

Finding the Fourth Proportional to 26,442.36, 39,663.66 and 8,912.34

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Solution

The fourth proportional to 26,442.36, 39,663.66 and 8,912.34 is: 13,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.36 : 39,663.66 = 8,912.34 : x
  2. Step 2: Convert to fraction form
    26,442.36/39,663.66 = 8,912.34/x
  3. Step 3: Cross multiply
    26,442.36x = 39,663.66 × 8,912.34
  4. Step 4: Simplify right side
    26,442.36x = 353,496,023.56
  5. Step 5: Solve for x
    x = 353,496,023.56/26,442.36
  6. Step 6: Final answer
    x = 13,368.55

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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.