Home / 26,280.08-39,433.56-12,425.36

Finding the Fourth Proportional to 26,280.08, 39,433.56 and 12,425.36

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Solution

The fourth proportional to 26,280.08, 39,433.56 and 12,425.36 is: 18,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.08 : 39,433.56 = 12,425.36 : x
  2. Step 2: Convert to fraction form
    26,280.08/39,433.56 = 12,425.36/x
  3. Step 3: Cross multiply
    26,280.08x = 39,433.56 × 12,425.36
  4. Step 4: Simplify right side
    26,280.08x = 489,976,179.08
  5. Step 5: Solve for x
    x = 489,976,179.08/26,280.08
  6. Step 6: Final answer
    x = 18,644.39

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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.