Home / 26,616.78-39,903.50-9,967.48

Finding the Fourth Proportional to 26,616.78, 39,903.50 and 9,967.48

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Solution

The fourth proportional to 26,616.78, 39,903.50 and 9,967.48 is: 14,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.78 : 39,903.50 = 9,967.48 : x
  2. Step 2: Convert to fraction form
    26,616.78/39,903.50 = 9,967.48/x
  3. Step 3: Cross multiply
    26,616.78x = 39,903.50 × 9,967.48
  4. Step 4: Simplify right side
    26,616.78x = 397,737,338.18
  5. Step 5: Solve for x
    x = 397,737,338.18/26,616.78
  6. Step 6: Final answer
    x = 14,943.10

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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.