Home / 26,519.64-39,745.50-12,448.58

Finding the Fourth Proportional to 26,519.64, 39,745.50 and 12,448.58

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Solution

The fourth proportional to 26,519.64, 39,745.50 and 12,448.58 is: 18,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.64 : 39,745.50 = 12,448.58 : x
  2. Step 2: Convert to fraction form
    26,519.64/39,745.50 = 12,448.58/x
  3. Step 3: Cross multiply
    26,519.64x = 39,745.50 × 12,448.58
  4. Step 4: Simplify right side
    26,519.64x = 494,774,837.66
  5. Step 5: Solve for x
    x = 494,774,837.66/26,519.64
  6. Step 6: Final answer
    x = 18,656.92

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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.