Home / 19,993.52-30,041.31-15,109.22

Finding the Fourth Proportional to 19,993.52, 30,041.31 and 15,109.22

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Solution

The fourth proportional to 19,993.52, 30,041.31 and 15,109.22 is: 22,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993.52 : 30,041.31 = 15,109.22 : x
  2. Step 2: Convert to fraction form
    19,993.52/30,041.31 = 15,109.22/x
  3. Step 3: Cross multiply
    19,993.52x = 30,041.31 × 15,109.22
  4. Step 4: Simplify right side
    19,993.52x = 453,900,761.88
  5. Step 5: Solve for x
    x = 453,900,761.88/19,993.52
  6. Step 6: Final answer
    x = 22,702.39

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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.