Home / 27,307.94-37,684.69-15,371.02

Finding the Fourth Proportional to 27,307.94, 37,684.69 and 15,371.02

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Solution

The fourth proportional to 27,307.94, 37,684.69 and 15,371.02 is: 21,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.94 : 37,684.69 = 15,371.02 : x
  2. Step 2: Convert to fraction form
    27,307.94/37,684.69 = 15,371.02/x
  3. Step 3: Cross multiply
    27,307.94x = 37,684.69 × 15,371.02
  4. Step 4: Simplify right side
    27,307.94x = 579,252,006.85
  5. Step 5: Solve for x
    x = 579,252,006.85/27,307.94
  6. Step 6: Final answer
    x = 21,211.86

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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.