Home / 26,440.77-39,671.55-11,639.31

Finding the Fourth Proportional to 26,440.77, 39,671.55 and 11,639.31

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Solution

The fourth proportional to 26,440.77, 39,671.55 and 11,639.31 is: 17,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.77 : 39,671.55 = 11,639.31 : x
  2. Step 2: Convert to fraction form
    26,440.77/39,671.55 = 11,639.31/x
  3. Step 3: Cross multiply
    26,440.77x = 39,671.55 × 11,639.31
  4. Step 4: Simplify right side
    26,440.77x = 461,749,468.63
  5. Step 5: Solve for x
    x = 461,749,468.63/26,440.77
  6. Step 6: Final answer
    x = 17,463.54

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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.