Home / 26,342.63-39,520.34-8,812.92

Finding the Fourth Proportional to 26,342.63, 39,520.34 and 8,812.92

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Solution

The fourth proportional to 26,342.63, 39,520.34 and 8,812.92 is: 13,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.63 : 39,520.34 = 8,812.92 : x
  2. Step 2: Convert to fraction form
    26,342.63/39,520.34 = 8,812.92/x
  3. Step 3: Cross multiply
    26,342.63x = 39,520.34 × 8,812.92
  4. Step 4: Simplify right side
    26,342.63x = 348,289,550.73
  5. Step 5: Solve for x
    x = 348,289,550.73/26,342.63
  6. Step 6: Final answer
    x = 13,221.52

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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.