Home / 26,448.90-39,645.68-8,912.67

Finding the Fourth Proportional to 26,448.90, 39,645.68 and 8,912.67

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Solution

The fourth proportional to 26,448.90, 39,645.68 and 8,912.67 is: 13,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.90 : 39,645.68 = 8,912.67 : x
  2. Step 2: Convert to fraction form
    26,448.90/39,645.68 = 8,912.67/x
  3. Step 3: Cross multiply
    26,448.90x = 39,645.68 × 8,912.67
  4. Step 4: Simplify right side
    26,448.90x = 353,348,818.20
  5. Step 5: Solve for x
    x = 353,348,818.20/26,448.90
  6. Step 6: Final answer
    x = 13,359.68

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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.