Home / 28,877.49-39,850.50-16,130.85

Finding the Fourth Proportional to 28,877.49, 39,850.50 and 16,130.85

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Solution

The fourth proportional to 28,877.49, 39,850.50 and 16,130.85 is: 22,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.49 : 39,850.50 = 16,130.85 : x
  2. Step 2: Convert to fraction form
    28,877.49/39,850.50 = 16,130.85/x
  3. Step 3: Cross multiply
    28,877.49x = 39,850.50 × 16,130.85
  4. Step 4: Simplify right side
    28,877.49x = 642,822,437.93
  5. Step 5: Solve for x
    x = 642,822,437.93/28,877.49
  6. Step 6: Final answer
    x = 22,260.33

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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.