Home / 31,880.43-47,828.34-15,235.74

Finding the Fourth Proportional to 31,880.43, 47,828.34 and 15,235.74

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Solution

The fourth proportional to 31,880.43, 47,828.34 and 15,235.74 is: 22,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.43 : 47,828.34 = 15,235.74 : x
  2. Step 2: Convert to fraction form
    31,880.43/47,828.34 = 15,235.74/x
  3. Step 3: Cross multiply
    31,880.43x = 47,828.34 × 15,235.74
  4. Step 4: Simplify right side
    31,880.43x = 728,700,152.87
  5. Step 5: Solve for x
    x = 728,700,152.87/31,880.43
  6. Step 6: Final answer
    x = 22,857.29

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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.