Home / 27,799.50-38,363.43-15,224.46

Finding the Fourth Proportional to 27,799.50, 38,363.43 and 15,224.46

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Solution

The fourth proportional to 27,799.50, 38,363.43 and 15,224.46 is: 21,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.50 : 38,363.43 = 15,224.46 : x
  2. Step 2: Convert to fraction form
    27,799.50/38,363.43 = 15,224.46/x
  3. Step 3: Cross multiply
    27,799.50x = 38,363.43 × 15,224.46
  4. Step 4: Simplify right side
    27,799.50x = 584,062,505.50
  5. Step 5: Solve for x
    x = 584,062,505.50/27,799.50
  6. Step 6: Final answer
    x = 21,009.82

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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.