Home / 28,880.77-39,855.80-16,944.31

Finding the Fourth Proportional to 28,880.77, 39,855.80 and 16,944.31

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Solution

The fourth proportional to 28,880.77, 39,855.80 and 16,944.31 is: 23,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.77 : 39,855.80 = 16,944.31 : x
  2. Step 2: Convert to fraction form
    28,880.77/39,855.80 = 16,944.31/x
  3. Step 3: Cross multiply
    28,880.77x = 39,855.80 × 16,944.31
  4. Step 4: Simplify right side
    28,880.77x = 675,328,945.78
  5. Step 5: Solve for x
    x = 675,328,945.78/28,880.77
  6. Step 6: Final answer
    x = 23,383.34

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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.