Home / 26,892.10-40,338.14-8,172.07

Finding the Fourth Proportional to 26,892.10, 40,338.14 and 8,172.07

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Solution

The fourth proportional to 26,892.10, 40,338.14 and 8,172.07 is: 12,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.10 : 40,338.14 = 8,172.07 : x
  2. Step 2: Convert to fraction form
    26,892.10/40,338.14 = 8,172.07/x
  3. Step 3: Cross multiply
    26,892.10x = 40,338.14 × 8,172.07
  4. Step 4: Simplify right side
    26,892.10x = 329,645,962.04
  5. Step 5: Solve for x
    x = 329,645,962.04/26,892.10
  6. Step 6: Final answer
    x = 12,258.10

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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.