Home / 28,573.35-39,431.52-15,826.92

Finding the Fourth Proportional to 28,573.35, 39,431.52 and 15,826.92

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Solution

The fourth proportional to 28,573.35, 39,431.52 and 15,826.92 is: 21,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.35 : 39,431.52 = 15,826.92 : x
  2. Step 2: Convert to fraction form
    28,573.35/39,431.52 = 15,826.92/x
  3. Step 3: Cross multiply
    28,573.35x = 39,431.52 × 15,826.92
  4. Step 4: Simplify right side
    28,573.35x = 624,079,512.52
  5. Step 5: Solve for x
    x = 624,079,512.52/28,573.35
  6. Step 6: Final answer
    x = 21,841.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.