Home / 26,740.73-40,115.66-13,420.08

Finding the Fourth Proportional to 26,740.73, 40,115.66 and 13,420.08

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Solution

The fourth proportional to 26,740.73, 40,115.66 and 13,420.08 is: 20,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.73 : 40,115.66 = 13,420.08 : x
  2. Step 2: Convert to fraction form
    26,740.73/40,115.66 = 13,420.08/x
  3. Step 3: Cross multiply
    26,740.73x = 40,115.66 × 13,420.08
  4. Step 4: Simplify right side
    26,740.73x = 538,355,299.35
  5. Step 5: Solve for x
    x = 538,355,299.35/26,740.73
  6. Step 6: Final answer
    x = 20,132.41

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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.