Home / 27,799.88-38,363.83-15,224.63

Finding the Fourth Proportional to 27,799.88, 38,363.83 and 15,224.63

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Solution

The fourth proportional to 27,799.88, 38,363.83 and 15,224.63 is: 21,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.88 : 38,363.83 = 15,224.63 : x
  2. Step 2: Convert to fraction form
    27,799.88/38,363.83 = 15,224.63/x
  3. Step 3: Cross multiply
    27,799.88x = 38,363.83 × 15,224.63
  4. Step 4: Simplify right side
    27,799.88x = 584,074,887.25
  5. Step 5: Solve for x
    x = 584,074,887.25/27,799.88
  6. Step 6: Final answer
    x = 21,009.98

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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.