Home / 26,557.54-39,860.92-13,419.12

Finding the Fourth Proportional to 26,557.54, 39,860.92 and 13,419.12

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Solution

The fourth proportional to 26,557.54, 39,860.92 and 13,419.12 is: 20,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.54 : 39,860.92 = 13,419.12 : x
  2. Step 2: Convert to fraction form
    26,557.54/39,860.92 = 13,419.12/x
  3. Step 3: Cross multiply
    26,557.54x = 39,860.92 × 13,419.12
  4. Step 4: Simplify right side
    26,557.54x = 534,898,468.79
  5. Step 5: Solve for x
    x = 534,898,468.79/26,557.54
  6. Step 6: Final answer
    x = 20,141.12

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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.