Home / 28,930.64-43,399.46-10,206.84

Finding the Fourth Proportional to 28,930.64, 43,399.46 and 10,206.84

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Solution

The fourth proportional to 28,930.64, 43,399.46 and 10,206.84 is: 15,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.64 : 43,399.46 = 10,206.84 : x
  2. Step 2: Convert to fraction form
    28,930.64/43,399.46 = 10,206.84/x
  3. Step 3: Cross multiply
    28,930.64x = 43,399.46 × 10,206.84
  4. Step 4: Simplify right side
    28,930.64x = 442,971,168.80
  5. Step 5: Solve for x
    x = 442,971,168.80/28,930.64
  6. Step 6: Final answer
    x = 15,311.49

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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.