Home / 27,957.96-38,582.70-15,211.83

Finding the Fourth Proportional to 27,957.96, 38,582.70 and 15,211.83

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Solution

The fourth proportional to 27,957.96, 38,582.70 and 15,211.83 is: 20,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.96 : 38,582.70 = 15,211.83 : x
  2. Step 2: Convert to fraction form
    27,957.96/38,582.70 = 15,211.83/x
  3. Step 3: Cross multiply
    27,957.96x = 38,582.70 × 15,211.83
  4. Step 4: Simplify right side
    27,957.96x = 586,913,560.98
  5. Step 5: Solve for x
    x = 586,913,560.98/27,957.96
  6. Step 6: Final answer
    x = 20,992.72

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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.