Home / 27,123.89-37,432.60-15,187.93

Finding the Fourth Proportional to 27,123.89, 37,432.60 and 15,187.93

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Solution

The fourth proportional to 27,123.89, 37,432.60 and 15,187.93 is: 20,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.89 : 37,432.60 = 15,187.93 : x
  2. Step 2: Convert to fraction form
    27,123.89/37,432.60 = 15,187.93/x
  3. Step 3: Cross multiply
    27,123.89x = 37,432.60 × 15,187.93
  4. Step 4: Simplify right side
    27,123.89x = 568,523,576.97
  5. Step 5: Solve for x
    x = 568,523,576.97/27,123.89
  6. Step 6: Final answer
    x = 20,960.26

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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.