Home / 31,857.69-47,787.75-16,257.09

Finding the Fourth Proportional to 31,857.69, 47,787.75 and 16,257.09

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Solution

The fourth proportional to 31,857.69, 47,787.75 and 16,257.09 is: 24,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.69 : 47,787.75 = 16,257.09 : x
  2. Step 2: Convert to fraction form
    31,857.69/47,787.75 = 16,257.09/x
  3. Step 3: Cross multiply
    31,857.69x = 47,787.75 × 16,257.09
  4. Step 4: Simplify right side
    31,857.69x = 776,889,432.42
  5. Step 5: Solve for x
    x = 776,889,432.42/31,857.69
  6. Step 6: Final answer
    x = 24,386.25

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1.5x scale

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.