Home / 27,100.89-37,411.76-15,766.25

Finding the Fourth Proportional to 27,100.89, 37,411.76 and 15,766.25

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Solution

The fourth proportional to 27,100.89, 37,411.76 and 15,766.25 is: 21,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.89 : 37,411.76 = 15,766.25 : x
  2. Step 2: Convert to fraction form
    27,100.89/37,411.76 = 15,766.25/x
  3. Step 3: Cross multiply
    27,100.89x = 37,411.76 × 15,766.25
  4. Step 4: Simplify right side
    27,100.89x = 589,843,013.46
  5. Step 5: Solve for x
    x = 589,843,013.46/27,100.89
  6. Step 6: Final answer
    x = 21,764.71

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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.