Home / 28,740.96-43,096.05-12,715.92

Finding the Fourth Proportional to 28,740.96, 43,096.05 and 12,715.92

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Solution

The fourth proportional to 28,740.96, 43,096.05 and 12,715.92 is: 19,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.96 : 43,096.05 = 12,715.92 : x
  2. Step 2: Convert to fraction form
    28,740.96/43,096.05 = 12,715.92/x
  3. Step 3: Cross multiply
    28,740.96x = 43,096.05 × 12,715.92
  4. Step 4: Simplify right side
    28,740.96x = 548,005,924.12
  5. Step 5: Solve for x
    x = 548,005,924.12/28,740.96
  6. Step 6: Final answer
    x = 19,067.07

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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.