Home / 28,659.39-42,975.24-12,014.96

Finding the Fourth Proportional to 28,659.39, 42,975.24 and 12,014.96

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Solution

The fourth proportional to 28,659.39, 42,975.24 and 12,014.96 is: 18,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.39 : 42,975.24 = 12,014.96 : x
  2. Step 2: Convert to fraction form
    28,659.39/42,975.24 = 12,014.96/x
  3. Step 3: Cross multiply
    28,659.39x = 42,975.24 × 12,014.96
  4. Step 4: Simplify right side
    28,659.39x = 516,345,574.71
  5. Step 5: Solve for x
    x = 516,345,574.71/28,659.39
  6. Step 6: Final answer
    x = 18,016.63

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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.