Home / 26,799.30-40,199.31-18,477.09

Finding the Fourth Proportional to 26,799.30, 40,199.31 and 18,477.09

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Solution

The fourth proportional to 26,799.30, 40,199.31 and 18,477.09 is: 27,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.30 : 40,199.31 = 18,477.09 : x
  2. Step 2: Convert to fraction form
    26,799.30/40,199.31 = 18,477.09/x
  3. Step 3: Cross multiply
    26,799.30x = 40,199.31 × 18,477.09
  4. Step 4: Simplify right side
    26,799.30x = 742,766,268.81
  5. Step 5: Solve for x
    x = 742,766,268.81/26,799.30
  6. Step 6: Final answer
    x = 27,715.88

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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.