Home / 27,775.94-38,332.49-15,841.58

Finding the Fourth Proportional to 27,775.94, 38,332.49 and 15,841.58

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Solution

The fourth proportional to 27,775.94, 38,332.49 and 15,841.58 is: 21,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.94 : 38,332.49 = 15,841.58 : x
  2. Step 2: Convert to fraction form
    27,775.94/38,332.49 = 15,841.58/x
  3. Step 3: Cross multiply
    27,775.94x = 38,332.49 × 15,841.58
  4. Step 4: Simplify right side
    27,775.94x = 607,247,206.93
  5. Step 5: Solve for x
    x = 607,247,206.93/27,775.94
  6. Step 6: Final answer
    x = 21,862.35

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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.