Home / 27,917.60-38,529.62-15,984.77

Finding the Fourth Proportional to 27,917.60, 38,529.62 and 15,984.77

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Solution

The fourth proportional to 27,917.60, 38,529.62 and 15,984.77 is: 22,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.60 : 38,529.62 = 15,984.77 : x
  2. Step 2: Convert to fraction form
    27,917.60/38,529.62 = 15,984.77/x
  3. Step 3: Cross multiply
    27,917.60x = 38,529.62 × 15,984.77
  4. Step 4: Simplify right side
    27,917.60x = 615,887,033.96
  5. Step 5: Solve for x
    x = 615,887,033.96/27,917.60
  6. Step 6: Final answer
    x = 22,060.89

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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.