Home / 28,334.52-39,098.86-15,758.52

Finding the Fourth Proportional to 28,334.52, 39,098.86 and 15,758.52

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Solution

The fourth proportional to 28,334.52, 39,098.86 and 15,758.52 is: 21,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.52 : 39,098.86 = 15,758.52 : x
  2. Step 2: Convert to fraction form
    28,334.52/39,098.86 = 15,758.52/x
  3. Step 3: Cross multiply
    28,334.52x = 39,098.86 × 15,758.52
  4. Step 4: Simplify right side
    28,334.52x = 616,140,167.29
  5. Step 5: Solve for x
    x = 616,140,167.29/28,334.52
  6. Step 6: Final answer
    x = 21,745.21

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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.