Home / 28,850.02-39,812.88-16,102.47

Finding the Fourth Proportional to 28,850.02, 39,812.88 and 16,102.47

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Solution

The fourth proportional to 28,850.02, 39,812.88 and 16,102.47 is: 22,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.02 : 39,812.88 = 16,102.47 : x
  2. Step 2: Convert to fraction form
    28,850.02/39,812.88 = 16,102.47/x
  3. Step 3: Cross multiply
    28,850.02x = 39,812.88 × 16,102.47
  4. Step 4: Simplify right side
    28,850.02x = 641,085,496.13
  5. Step 5: Solve for x
    x = 641,085,496.13/28,850.02
  6. Step 6: Final answer
    x = 22,221.32

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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.