Home / 18,700.57-28,050.62-5,373.88

Finding the Fourth Proportional to 18,700.57, 28,050.62 and 5,373.88

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Solution

The fourth proportional to 18,700.57, 28,050.62 and 5,373.88 is: 8,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.57 : 28,050.62 = 5,373.88 : x
  2. Step 2: Convert to fraction form
    18,700.57/28,050.62 = 5,373.88/x
  3. Step 3: Cross multiply
    18,700.57x = 28,050.62 × 5,373.88
  4. Step 4: Simplify right side
    18,700.57x = 150,740,568.81
  5. Step 5: Solve for x
    x = 150,740,568.81/18,700.57
  6. Step 6: Final answer
    x = 8,060.75

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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.