Home / 20,006.80-27,617.16-17,907.28

Finding the Fourth Proportional to 20,006.80, 27,617.16 and 17,907.28

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Solution

The fourth proportional to 20,006.80, 27,617.16 and 17,907.28 is: 24,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.80 : 27,617.16 = 17,907.28 : x
  2. Step 2: Convert to fraction form
    20,006.80/27,617.16 = 17,907.28/x
  3. Step 3: Cross multiply
    20,006.80x = 27,617.16 × 17,907.28
  4. Step 4: Simplify right side
    20,006.80x = 494,548,216.92
  5. Step 5: Solve for x
    x = 494,548,216.92/20,006.80
  6. Step 6: Final answer
    x = 24,719.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.