Home / 31,857.62-47,787.65-16,257.02

Finding the Fourth Proportional to 31,857.62, 47,787.65 and 16,257.02

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Solution

The fourth proportional to 31,857.62, 47,787.65 and 16,257.02 is: 24,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.62 : 47,787.65 = 16,257.02 : x
  2. Step 2: Convert to fraction form
    31,857.62/47,787.65 = 16,257.02/x
  3. Step 3: Cross multiply
    31,857.62x = 47,787.65 × 16,257.02
  4. Step 4: Simplify right side
    31,857.62x = 776,884,880.95
  5. Step 5: Solve for x
    x = 776,884,880.95/31,857.62
  6. Step 6: Final answer
    x = 24,386.15

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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.