Home / 26,355.71-39,489.83-18,548.12

Finding the Fourth Proportional to 26,355.71, 39,489.83 and 18,548.12

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Solution

The fourth proportional to 26,355.71, 39,489.83 and 18,548.12 is: 27,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.71 : 39,489.83 = 18,548.12 : x
  2. Step 2: Convert to fraction form
    26,355.71/39,489.83 = 18,548.12/x
  3. Step 3: Cross multiply
    26,355.71x = 39,489.83 × 18,548.12
  4. Step 4: Simplify right side
    26,355.71x = 732,462,181.16
  5. Step 5: Solve for x
    x = 732,462,181.16/26,355.71
  6. Step 6: Final answer
    x = 27,791.40

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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.