Home / 28,705.85-39,366.90-27,508.46

Finding the Fourth Proportional to 28,705.85, 39,366.90 and 27,508.46

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Solution

The fourth proportional to 28,705.85, 39,366.90 and 27,508.46 is: 37,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.85 : 39,366.90 = 27,508.46 : x
  2. Step 2: Convert to fraction form
    28,705.85/39,366.90 = 27,508.46/x
  3. Step 3: Cross multiply
    28,705.85x = 39,366.90 × 27,508.46
  4. Step 4: Simplify right side
    28,705.85x = 1,082,922,597.14
  5. Step 5: Solve for x
    x = 1,082,922,597.14/28,705.85
  6. Step 6: Final answer
    x = 37,724.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.