Home / 18,727.32-28,095.16-7,040.64

Finding the Fourth Proportional to 18,727.32, 28,095.16 and 7,040.64

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Solution

The fourth proportional to 18,727.32, 28,095.16 and 7,040.64 is: 10,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.32 : 28,095.16 = 7,040.64 : x
  2. Step 2: Convert to fraction form
    18,727.32/28,095.16 = 7,040.64/x
  3. Step 3: Cross multiply
    18,727.32x = 28,095.16 × 7,040.64
  4. Step 4: Simplify right side
    18,727.32x = 197,807,907.30
  5. Step 5: Solve for x
    x = 197,807,907.30/18,727.32
  6. Step 6: Final answer
    x = 10,562.53

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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.