Home / 18,719.42-28,055.55-16,373.84

Finding the Fourth Proportional to 18,719.42, 28,055.55 and 16,373.84

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Solution

The fourth proportional to 18,719.42, 28,055.55 and 16,373.84 is: 24,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.42 : 28,055.55 = 16,373.84 : x
  2. Step 2: Convert to fraction form
    18,719.42/28,055.55 = 16,373.84/x
  3. Step 3: Cross multiply
    18,719.42x = 28,055.55 × 16,373.84
  4. Step 4: Simplify right side
    18,719.42x = 459,377,086.81
  5. Step 5: Solve for x
    x = 459,377,086.81/18,719.42
  6. Step 6: Final answer
    x = 24,540.13

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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.