Home / 18,875.43-28,313.28-5,727.96

Finding the Fourth Proportional to 18,875.43, 28,313.28 and 5,727.96

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Solution

The fourth proportional to 18,875.43, 28,313.28 and 5,727.96 is: 8,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.43 : 28,313.28 = 5,727.96 : x
  2. Step 2: Convert to fraction form
    18,875.43/28,313.28 = 5,727.96/x
  3. Step 3: Cross multiply
    18,875.43x = 28,313.28 × 5,727.96
  4. Step 4: Simplify right side
    18,875.43x = 162,177,335.31
  5. Step 5: Solve for x
    x = 162,177,335.31/18,875.43
  6. Step 6: Final answer
    x = 8,591.98

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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.