Home / 28,293.24-39,045.29-15,546.61

Finding the Fourth Proportional to 28,293.24, 39,045.29 and 15,546.61

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Solution

The fourth proportional to 28,293.24, 39,045.29 and 15,546.61 is: 21,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.24 : 39,045.29 = 15,546.61 : x
  2. Step 2: Convert to fraction form
    28,293.24/39,045.29 = 15,546.61/x
  3. Step 3: Cross multiply
    28,293.24x = 39,045.29 × 15,546.61
  4. Step 4: Simplify right side
    28,293.24x = 607,021,895.97
  5. Step 5: Solve for x
    x = 607,021,895.97/28,293.24
  6. Step 6: Final answer
    x = 21,454.66

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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.