Home / 18,226.89-27,381.65-15,735.74

Finding the Fourth Proportional to 18,226.89, 27,381.65 and 15,735.74

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Solution

The fourth proportional to 18,226.89, 27,381.65 and 15,735.74 is: 23,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.89 : 27,381.65 = 15,735.74 : x
  2. Step 2: Convert to fraction form
    18,226.89/27,381.65 = 15,735.74/x
  3. Step 3: Cross multiply
    18,226.89x = 27,381.65 × 15,735.74
  4. Step 4: Simplify right side
    18,226.89x = 430,870,309.58
  5. Step 5: Solve for x
    x = 430,870,309.58/18,226.89
  6. Step 6: Final answer
    x = 23,639.27

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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.