Home / 59,928.21-89,863.68-28,311.90

Finding the Fourth Proportional to 59,928.21, 89,863.68 and 28,311.90

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Solution

The fourth proportional to 59,928.21, 89,863.68 and 28,311.90 is: 42,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,928.21 : 89,863.68 = 28,311.90 : x
  2. Step 2: Convert to fraction form
    59,928.21/89,863.68 = 28,311.90/x
  3. Step 3: Cross multiply
    59,928.21x = 89,863.68 × 28,311.90
  4. Step 4: Simplify right side
    59,928.21x = 2,544,211,521.79
  5. Step 5: Solve for x
    x = 2,544,211,521.79/59,928.21
  6. Step 6: Final answer
    x = 42,454.32

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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.