Home / 28,284.44-39,025.50-15,706.04

Finding the Fourth Proportional to 28,284.44, 39,025.50 and 15,706.04

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Solution

The fourth proportional to 28,284.44, 39,025.50 and 15,706.04 is: 21,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.44 : 39,025.50 = 15,706.04 : x
  2. Step 2: Convert to fraction form
    28,284.44/39,025.50 = 15,706.04/x
  3. Step 3: Cross multiply
    28,284.44x = 39,025.50 × 15,706.04
  4. Step 4: Simplify right side
    28,284.44x = 612,936,064.02
  5. Step 5: Solve for x
    x = 612,936,064.02/28,284.44
  6. Step 6: Final answer
    x = 21,670.43

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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.