Home / 19,983.24-30,008.88-19,147.32

Finding the Fourth Proportional to 19,983.24, 30,008.88 and 19,147.32

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Solution

The fourth proportional to 19,983.24, 30,008.88 and 19,147.32 is: 28,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.24 : 30,008.88 = 19,147.32 : x
  2. Step 2: Convert to fraction form
    19,983.24/30,008.88 = 19,147.32/x
  3. Step 3: Cross multiply
    19,983.24x = 30,008.88 × 19,147.32
  4. Step 4: Simplify right side
    19,983.24x = 574,589,628.20
  5. Step 5: Solve for x
    x = 574,589,628.20/19,983.24
  6. Step 6: Final answer
    x = 28,753.58

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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.