Home / 27,237.99-37,588.94-15,139.61

Finding the Fourth Proportional to 27,237.99, 37,588.94 and 15,139.61

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Solution

The fourth proportional to 27,237.99, 37,588.94 and 15,139.61 is: 20,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,237.99 : 37,588.94 = 15,139.61 : x
  2. Step 2: Convert to fraction form
    27,237.99/37,588.94 = 15,139.61/x
  3. Step 3: Cross multiply
    27,237.99x = 37,588.94 × 15,139.61
  4. Step 4: Simplify right side
    27,237.99x = 569,081,628.27
  5. Step 5: Solve for x
    x = 569,081,628.27/27,237.99
  6. Step 6: Final answer
    x = 20,892.94

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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.