Home / 38,016.43-52,461.36-20,789.21

Finding the Fourth Proportional to 38,016.43, 52,461.36 and 20,789.21

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Solution

The fourth proportional to 38,016.43, 52,461.36 and 20,789.21 is: 28,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.43 : 52,461.36 = 20,789.21 : x
  2. Step 2: Convert to fraction form
    38,016.43/52,461.36 = 20,789.21/x
  3. Step 3: Cross multiply
    38,016.43x = 52,461.36 × 20,789.21
  4. Step 4: Simplify right side
    38,016.43x = 1,090,630,229.93
  5. Step 5: Solve for x
    x = 1,090,630,229.93/38,016.43
  6. Step 6: Final answer
    x = 28,688.39

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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.