Home / 28,003.80-38,650.91-16,075.29

Finding the Fourth Proportional to 28,003.80, 38,650.91 and 16,075.29

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Solution

The fourth proportional to 28,003.80, 38,650.91 and 16,075.29 is: 22,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.80 : 38,650.91 = 16,075.29 : x
  2. Step 2: Convert to fraction form
    28,003.80/38,650.91 = 16,075.29/x
  3. Step 3: Cross multiply
    28,003.80x = 38,650.91 × 16,075.29
  4. Step 4: Simplify right side
    28,003.80x = 621,324,506.64
  5. Step 5: Solve for x
    x = 621,324,506.64/28,003.80
  6. Step 6: Final answer
    x = 22,187.15

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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.