Home / 18,726.92-28,066.80-16,381.34

Finding the Fourth Proportional to 18,726.92, 28,066.80 and 16,381.34

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Solution

The fourth proportional to 18,726.92, 28,066.80 and 16,381.34 is: 24,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.92 : 28,066.80 = 16,381.34 : x
  2. Step 2: Convert to fraction form
    18,726.92/28,066.80 = 16,381.34/x
  3. Step 3: Cross multiply
    18,726.92x = 28,066.80 × 16,381.34
  4. Step 4: Simplify right side
    18,726.92x = 459,771,793.51
  5. Step 5: Solve for x
    x = 459,771,793.51/18,726.92
  6. Step 6: Final answer
    x = 24,551.38

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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.