Home / 27,378.31-41,054.50-12,582.85

Finding the Fourth Proportional to 27,378.31, 41,054.50 and 12,582.85

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Solution

The fourth proportional to 27,378.31, 41,054.50 and 12,582.85 is: 18,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.31 : 41,054.50 = 12,582.85 : x
  2. Step 2: Convert to fraction form
    27,378.31/41,054.50 = 12,582.85/x
  3. Step 3: Cross multiply
    27,378.31x = 41,054.50 × 12,582.85
  4. Step 4: Simplify right side
    27,378.31x = 516,582,347.14
  5. Step 5: Solve for x
    x = 516,582,347.14/27,378.31
  6. Step 6: Final answer
    x = 18,868.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.