Home / 26,634.86-39,941.90-9,985.81

Finding the Fourth Proportional to 26,634.86, 39,941.90 and 9,985.81

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Solution

The fourth proportional to 26,634.86, 39,941.90 and 9,985.81 is: 14,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.86 : 39,941.90 = 9,985.81 : x
  2. Step 2: Convert to fraction form
    26,634.86/39,941.90 = 9,985.81/x
  3. Step 3: Cross multiply
    26,634.86x = 39,941.90 × 9,985.81
  4. Step 4: Simplify right side
    26,634.86x = 398,852,149.55
  5. Step 5: Solve for x
    x = 398,852,149.55/26,634.86
  6. Step 6: Final answer
    x = 14,974.82

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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.