Home / 28,700.31-43,050.41-7,923.75

Finding the Fourth Proportional to 28,700.31, 43,050.41 and 7,923.75

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Solution

The fourth proportional to 28,700.31, 43,050.41 and 7,923.75 is: 11,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.31 : 43,050.41 = 7,923.75 : x
  2. Step 2: Convert to fraction form
    28,700.31/43,050.41 = 7,923.75/x
  3. Step 3: Cross multiply
    28,700.31x = 43,050.41 × 7,923.75
  4. Step 4: Simplify right side
    28,700.31x = 341,120,646.62
  5. Step 5: Solve for x
    x = 341,120,646.62/28,700.31
  6. Step 6: Final answer
    x = 11,885.61

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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.