Home / 28,504.53-39,331.85-15,926.85

Finding the Fourth Proportional to 28,504.53, 39,331.85 and 15,926.85

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Solution

The fourth proportional to 28,504.53, 39,331.85 and 15,926.85 is: 21,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.53 : 39,331.85 = 15,926.85 : x
  2. Step 2: Convert to fraction form
    28,504.53/39,331.85 = 15,926.85/x
  3. Step 3: Cross multiply
    28,504.53x = 39,331.85 × 15,926.85
  4. Step 4: Simplify right side
    28,504.53x = 626,432,395.54
  5. Step 5: Solve for x
    x = 626,432,395.54/28,504.53
  6. Step 6: Final answer
    x = 21,976.59

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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.