Home / 26,432.96-39,665.16-10,639.44

Finding the Fourth Proportional to 26,432.96, 39,665.16 and 10,639.44

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Solution

The fourth proportional to 26,432.96, 39,665.16 and 10,639.44 is: 15,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.96 : 39,665.16 = 10,639.44 : x
  2. Step 2: Convert to fraction form
    26,432.96/39,665.16 = 10,639.44/x
  3. Step 3: Cross multiply
    26,432.96x = 39,665.16 × 10,639.44
  4. Step 4: Simplify right side
    26,432.96x = 422,015,089.91
  5. Step 5: Solve for x
    x = 422,015,089.91/26,432.96
  6. Step 6: Final answer
    x = 15,965.49

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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.