Home / 18,075.74-26,990.57-15,949.65

Finding the Fourth Proportional to 18,075.74, 26,990.57 and 15,949.65

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Solution

The fourth proportional to 18,075.74, 26,990.57 and 15,949.65 is: 23,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.74 : 26,990.57 = 15,949.65 : x
  2. Step 2: Convert to fraction form
    18,075.74/26,990.57 = 15,949.65/x
  3. Step 3: Cross multiply
    18,075.74x = 26,990.57 × 15,949.65
  4. Step 4: Simplify right side
    18,075.74x = 430,489,963.84
  5. Step 5: Solve for x
    x = 430,489,963.84/18,075.74
  6. Step 6: Final answer
    x = 23,815.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.