Home / 27,873.79-38,455.90-16,534.60

Finding the Fourth Proportional to 27,873.79, 38,455.90 and 16,534.60

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Solution

The fourth proportional to 27,873.79, 38,455.90 and 16,534.60 is: 22,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.79 : 38,455.90 = 16,534.60 : x
  2. Step 2: Convert to fraction form
    27,873.79/38,455.90 = 16,534.60/x
  3. Step 3: Cross multiply
    27,873.79x = 38,455.90 × 16,534.60
  4. Step 4: Simplify right side
    27,873.79x = 635,852,924.14
  5. Step 5: Solve for x
    x = 635,852,924.14/27,873.79
  6. Step 6: Final answer
    x = 22,811.86

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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.