Home / 28,845.80-39,810.85-16,743.69

Finding the Fourth Proportional to 28,845.80, 39,810.85 and 16,743.69

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Solution

The fourth proportional to 28,845.80, 39,810.85 and 16,743.69 is: 23,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.80 : 39,810.85 = 16,743.69 : x
  2. Step 2: Convert to fraction form
    28,845.80/39,810.85 = 16,743.69/x
  3. Step 3: Cross multiply
    28,845.80x = 39,810.85 × 16,743.69
  4. Step 4: Simplify right side
    28,845.80x = 666,580,489.18
  5. Step 5: Solve for x
    x = 666,580,489.18/28,845.80
  6. Step 6: Final answer
    x = 23,108.41

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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.