Home / 40,252.12-60,389.12-28,639.15

Finding the Fourth Proportional to 40,252.12, 60,389.12 and 28,639.15

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Solution

The fourth proportional to 40,252.12, 60,389.12 and 28,639.15 is: 42,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252.12 : 60,389.12 = 28,639.15 : x
  2. Step 2: Convert to fraction form
    40,252.12/60,389.12 = 28,639.15/x
  3. Step 3: Cross multiply
    40,252.12x = 60,389.12 × 28,639.15
  4. Step 4: Simplify right side
    40,252.12x = 1,729,492,922.85
  5. Step 5: Solve for x
    x = 1,729,492,922.85/40,252.12
  6. Step 6: Final answer
    x = 42,966.51

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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.