Home / 28,012.29-38,656.56-16,075.38

Finding the Fourth Proportional to 28,012.29, 38,656.56 and 16,075.38

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Solution

The fourth proportional to 28,012.29, 38,656.56 and 16,075.38 is: 22,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.29 : 38,656.56 = 16,075.38 : x
  2. Step 2: Convert to fraction form
    28,012.29/38,656.56 = 16,075.38/x
  3. Step 3: Cross multiply
    28,012.29x = 38,656.56 × 16,075.38
  4. Step 4: Simplify right side
    28,012.29x = 621,418,891.49
  5. Step 5: Solve for x
    x = 621,418,891.49/28,012.29
  6. Step 6: Final answer
    x = 22,183.79

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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.