Home / 28,998.28-43,496.06-10,278.02

Finding the Fourth Proportional to 28,998.28, 43,496.06 and 10,278.02

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Solution

The fourth proportional to 28,998.28, 43,496.06 and 10,278.02 is: 15,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.28 : 43,496.06 = 10,278.02 : x
  2. Step 2: Convert to fraction form
    28,998.28/43,496.06 = 10,278.02/x
  3. Step 3: Cross multiply
    28,998.28x = 43,496.06 × 10,278.02
  4. Step 4: Simplify right side
    28,998.28x = 447,053,374.60
  5. Step 5: Solve for x
    x = 447,053,374.60/28,998.28
  6. Step 6: Final answer
    x = 15,416.55

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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.