Home / 28,074.92-38,743.38-16,140.58

Finding the Fourth Proportional to 28,074.92, 38,743.38 and 16,140.58

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Solution

The fourth proportional to 28,074.92, 38,743.38 and 16,140.58 is: 22,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.92 : 38,743.38 = 16,140.58 : x
  2. Step 2: Convert to fraction form
    28,074.92/38,743.38 = 16,140.58/x
  3. Step 3: Cross multiply
    28,074.92x = 38,743.38 × 16,140.58
  4. Step 4: Simplify right side
    28,074.92x = 625,340,527.50
  5. Step 5: Solve for x
    x = 625,340,527.50/28,074.92
  6. Step 6: Final answer
    x = 22,274.00

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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.