Home / 28,930.35-43,380.09-13,716.93

Finding the Fourth Proportional to 28,930.35, 43,380.09 and 13,716.93

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Solution

The fourth proportional to 28,930.35, 43,380.09 and 13,716.93 is: 20,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.35 : 43,380.09 = 13,716.93 : x
  2. Step 2: Convert to fraction form
    28,930.35/43,380.09 = 13,716.93/x
  3. Step 3: Cross multiply
    28,930.35x = 43,380.09 × 13,716.93
  4. Step 4: Simplify right side
    28,930.35x = 595,041,657.92
  5. Step 5: Solve for x
    x = 595,041,657.92/28,930.35
  6. Step 6: Final answer
    x = 20,568.08

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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.