Home / 51,727.56-77,625.32-28,370.40

Finding the Fourth Proportional to 51,727.56, 77,625.32 and 28,370.40

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Solution

The fourth proportional to 51,727.56, 77,625.32 and 28,370.40 is: 42,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,727.56 : 77,625.32 = 28,370.40 : x
  2. Step 2: Convert to fraction form
    51,727.56/77,625.32 = 28,370.40/x
  3. Step 3: Cross multiply
    51,727.56x = 77,625.32 × 28,370.40
  4. Step 4: Simplify right side
    51,727.56x = 2,202,261,378.53
  5. Step 5: Solve for x
    x = 2,202,261,378.53/51,727.56
  6. Step 6: Final answer
    x = 42,574.24

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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.