Home / 27,275.35-37,640.20-15,176

Finding the Fourth Proportional to 27,275.35, 37,640.20 and 15,176

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Solution

The fourth proportional to 27,275.35, 37,640.20 and 15,176 is: 20,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.35 : 37,640.20 = 15,176 : x
  2. Step 2: Convert to fraction form
    27,275.35/37,640.20 = 15,176/x
  3. Step 3: Cross multiply
    27,275.35x = 37,640.20 × 15,176
  4. Step 4: Simplify right side
    27,275.35x = 571,227,675.20
  5. Step 5: Solve for x
    x = 571,227,675.20/27,275.35
  6. Step 6: Final answer
    x = 20,943.00

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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.