Home / 31,868.89-47,730.58-15,240.65

Finding the Fourth Proportional to 31,868.89, 47,730.58 and 15,240.65

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Solution

The fourth proportional to 31,868.89, 47,730.58 and 15,240.65 is: 22,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.89 : 47,730.58 = 15,240.65 : x
  2. Step 2: Convert to fraction form
    31,868.89/47,730.58 = 15,240.65/x
  3. Step 3: Cross multiply
    31,868.89x = 47,730.58 × 15,240.65
  4. Step 4: Simplify right side
    31,868.89x = 727,444,787.32
  5. Step 5: Solve for x
    x = 727,444,787.32/31,868.89
  6. Step 6: Final answer
    x = 22,826.17

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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.