Home / 28,879.02-39,850.49-16,130.48

Finding the Fourth Proportional to 28,879.02, 39,850.49 and 16,130.48

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Solution

The fourth proportional to 28,879.02, 39,850.49 and 16,130.48 is: 22,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.02 : 39,850.49 = 16,130.48 : x
  2. Step 2: Convert to fraction form
    28,879.02/39,850.49 = 16,130.48/x
  3. Step 3: Cross multiply
    28,879.02x = 39,850.49 × 16,130.48
  4. Step 4: Simplify right side
    28,879.02x = 642,807,531.94
  5. Step 5: Solve for x
    x = 642,807,531.94/28,879.02
  6. Step 6: Final answer
    x = 22,258.63

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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.