Home / 27,734.88-38,273.28-15,799.92

Finding the Fourth Proportional to 27,734.88, 38,273.28 and 15,799.92

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Solution

The fourth proportional to 27,734.88, 38,273.28 and 15,799.92 is: 21,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.88 : 38,273.28 = 15,799.92 : x
  2. Step 2: Convert to fraction form
    27,734.88/38,273.28 = 15,799.92/x
  3. Step 3: Cross multiply
    27,734.88x = 38,273.28 × 15,799.92
  4. Step 4: Simplify right side
    27,734.88x = 604,714,762.14
  5. Step 5: Solve for x
    x = 604,714,762.14/27,734.88
  6. Step 6: Final answer
    x = 21,803.40

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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.