Home / 27,416.94-37,832.56-15,930.06

Finding the Fourth Proportional to 27,416.94, 37,832.56 and 15,930.06

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Solution

The fourth proportional to 27,416.94, 37,832.56 and 15,930.06 is: 21,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,416.94 : 37,832.56 = 15,930.06 : x
  2. Step 2: Convert to fraction form
    27,416.94/37,832.56 = 15,930.06/x
  3. Step 3: Cross multiply
    27,416.94x = 37,832.56 × 15,930.06
  4. Step 4: Simplify right side
    27,416.94x = 602,674,950.75
  5. Step 5: Solve for x
    x = 602,674,950.75/27,416.94
  6. Step 6: Final answer
    x = 21,981.85

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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.