Home / 27,337.09-37,720.61-15,234.93

Finding the Fourth Proportional to 27,337.09, 37,720.61 and 15,234.93

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Solution

The fourth proportional to 27,337.09, 37,720.61 and 15,234.93 is: 21,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.09 : 37,720.61 = 15,234.93 : x
  2. Step 2: Convert to fraction form
    27,337.09/37,720.61 = 15,234.93/x
  3. Step 3: Cross multiply
    27,337.09x = 37,720.61 × 15,234.93
  4. Step 4: Simplify right side
    27,337.09x = 574,670,749.54
  5. Step 5: Solve for x
    x = 574,670,749.54/27,337.09
  6. Step 6: Final answer
    x = 21,021.65

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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.