Home / 28,996.06-40,012.12-16,075.68

Finding the Fourth Proportional to 28,996.06, 40,012.12 and 16,075.68

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Solution

The fourth proportional to 28,996.06, 40,012.12 and 16,075.68 is: 22,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.06 : 40,012.12 = 16,075.68 : x
  2. Step 2: Convert to fraction form
    28,996.06/40,012.12 = 16,075.68/x
  3. Step 3: Cross multiply
    28,996.06x = 40,012.12 × 16,075.68
  4. Step 4: Simplify right side
    28,996.06x = 643,222,037.24
  5. Step 5: Solve for x
    x = 643,222,037.24/28,996.06
  6. Step 6: Final answer
    x = 22,183.08

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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.