Home / 20,342.84-30,335.26-18,727.16

Finding the Fourth Proportional to 20,342.84, 30,335.26 and 18,727.16

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Solution

The fourth proportional to 20,342.84, 30,335.26 and 18,727.16 is: 27,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.84 : 30,335.26 = 18,727.16 : x
  2. Step 2: Convert to fraction form
    20,342.84/30,335.26 = 18,727.16/x
  3. Step 3: Cross multiply
    20,342.84x = 30,335.26 × 18,727.16
  4. Step 4: Simplify right side
    20,342.84x = 568,093,267.66
  5. Step 5: Solve for x
    x = 568,093,267.66/20,342.84
  6. Step 6: Final answer
    x = 27,925.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.