Home / 27,329.88-37,715.45-15,392.10

Finding the Fourth Proportional to 27,329.88, 37,715.45 and 15,392.10

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Solution

The fourth proportional to 27,329.88, 37,715.45 and 15,392.10 is: 21,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.88 : 37,715.45 = 15,392.10 : x
  2. Step 2: Convert to fraction form
    27,329.88/37,715.45 = 15,392.10/x
  3. Step 3: Cross multiply
    27,329.88x = 37,715.45 × 15,392.10
  4. Step 4: Simplify right side
    27,329.88x = 580,519,900.98
  5. Step 5: Solve for x
    x = 580,519,900.98/27,329.88
  6. Step 6: Final answer
    x = 21,241.22

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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.