Home / 26,648.63-39,970.10-14,155.39

Finding the Fourth Proportional to 26,648.63, 39,970.10 and 14,155.39

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Solution

The fourth proportional to 26,648.63, 39,970.10 and 14,155.39 is: 21,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.63 : 39,970.10 = 14,155.39 : x
  2. Step 2: Convert to fraction form
    26,648.63/39,970.10 = 14,155.39/x
  3. Step 3: Cross multiply
    26,648.63x = 39,970.10 × 14,155.39
  4. Step 4: Simplify right side
    26,648.63x = 565,792,289.30
  5. Step 5: Solve for x
    x = 565,792,289.30/26,648.63
  6. Step 6: Final answer
    x = 21,231.58

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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.