Home / 20,383.50-27,979.17-18,095.35

Finding the Fourth Proportional to 20,383.50, 27,979.17 and 18,095.35

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Solution

The fourth proportional to 20,383.50, 27,979.17 and 18,095.35 is: 24,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.50 : 27,979.17 = 18,095.35 : x
  2. Step 2: Convert to fraction form
    20,383.50/27,979.17 = 18,095.35/x
  3. Step 3: Cross multiply
    20,383.50x = 27,979.17 × 18,095.35
  4. Step 4: Simplify right side
    20,383.50x = 506,292,873.86
  5. Step 5: Solve for x
    x = 506,292,873.86/20,383.50
  6. Step 6: Final answer
    x = 24,838.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.