Home / 27,921.95-41,863.48-10,387.07

Finding the Fourth Proportional to 27,921.95, 41,863.48 and 10,387.07

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Solution

The fourth proportional to 27,921.95, 41,863.48 and 10,387.07 is: 15,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.95 : 41,863.48 = 10,387.07 : x
  2. Step 2: Convert to fraction form
    27,921.95/41,863.48 = 10,387.07/x
  3. Step 3: Cross multiply
    27,921.95x = 41,863.48 × 10,387.07
  4. Step 4: Simplify right side
    27,921.95x = 434,838,897.20
  5. Step 5: Solve for x
    x = 434,838,897.20/27,921.95
  6. Step 6: Final answer
    x = 15,573.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.