Home / 28,024.94-38,674.41-15,449.69

Finding the Fourth Proportional to 28,024.94, 38,674.41 and 15,449.69

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Solution

The fourth proportional to 28,024.94, 38,674.41 and 15,449.69 is: 21,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.94 : 38,674.41 = 15,449.69 : x
  2. Step 2: Convert to fraction form
    28,024.94/38,674.41 = 15,449.69/x
  3. Step 3: Cross multiply
    28,024.94x = 38,674.41 × 15,449.69
  4. Step 4: Simplify right side
    28,024.94x = 597,507,452.06
  5. Step 5: Solve for x
    x = 597,507,452.06/28,024.94
  6. Step 6: Final answer
    x = 21,320.57

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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.