Home / 26,120-39,179.92-9,480.01

Finding the Fourth Proportional to 26,120, 39,179.92 and 9,480.01

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Solution

The fourth proportional to 26,120, 39,179.92 and 9,480.01 is: 14,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120 : 39,179.92 = 9,480.01 : x
  2. Step 2: Convert to fraction form
    26,120/39,179.92 = 9,480.01/x
  3. Step 3: Cross multiply
    26,120x = 39,179.92 × 9,480.01
  4. Step 4: Simplify right side
    26,120x = 371,426,033.40
  5. Step 5: Solve for x
    x = 371,426,033.40/26,120
  6. Step 6: Final answer
    x = 14,219.99

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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.