Home / 27,170.17-37,492.63-15,231.87

Finding the Fourth Proportional to 27,170.17, 37,492.63 and 15,231.87

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Solution

The fourth proportional to 27,170.17, 37,492.63 and 15,231.87 is: 21,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.17 : 37,492.63 = 15,231.87 : x
  2. Step 2: Convert to fraction form
    27,170.17/37,492.63 = 15,231.87/x
  3. Step 3: Cross multiply
    27,170.17x = 37,492.63 × 15,231.87
  4. Step 4: Simplify right side
    27,170.17x = 571,082,828.04
  5. Step 5: Solve for x
    x = 571,082,828.04/27,170.17
  6. Step 6: Final answer
    x = 21,018.75

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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.