Home / 26,712.45-40,066.79-9,181.89

Finding the Fourth Proportional to 26,712.45, 40,066.79 and 9,181.89

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Solution

The fourth proportional to 26,712.45, 40,066.79 and 9,181.89 is: 13,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.45 : 40,066.79 = 9,181.89 : x
  2. Step 2: Convert to fraction form
    26,712.45/40,066.79 = 9,181.89/x
  3. Step 3: Cross multiply
    26,712.45x = 40,066.79 × 9,181.89
  4. Step 4: Simplify right side
    26,712.45x = 367,888,812.52
  5. Step 5: Solve for x
    x = 367,888,812.52/26,712.45
  6. Step 6: Final answer
    x = 13,772.19

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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.