Home / 26,254.40-39,396-12,403.04

Finding the Fourth Proportional to 26,254.40, 39,396 and 12,403.04

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Solution

The fourth proportional to 26,254.40, 39,396 and 12,403.04 is: 18,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,254.40 : 39,396 = 12,403.04 : x
  2. Step 2: Convert to fraction form
    26,254.40/39,396 = 12,403.04/x
  3. Step 3: Cross multiply
    26,254.40x = 39,396 × 12,403.04
  4. Step 4: Simplify right side
    26,254.40x = 488,630,163.84
  5. Step 5: Solve for x
    x = 488,630,163.84/26,254.40
  6. Step 6: Final answer
    x = 18,611.36

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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.