Home / 27,924.76-38,534.55-15,349.51

Finding the Fourth Proportional to 27,924.76, 38,534.55 and 15,349.51

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Solution

The fourth proportional to 27,924.76, 38,534.55 and 15,349.51 is: 21,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.76 : 38,534.55 = 15,349.51 : x
  2. Step 2: Convert to fraction form
    27,924.76/38,534.55 = 15,349.51/x
  3. Step 3: Cross multiply
    27,924.76x = 38,534.55 × 15,349.51
  4. Step 4: Simplify right side
    27,924.76x = 591,486,460.57
  5. Step 5: Solve for x
    x = 591,486,460.57/27,924.76
  6. Step 6: Final answer
    x = 21,181.43

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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.