Home / 18,437.55-27,780.69-15,222.66

Finding the Fourth Proportional to 18,437.55, 27,780.69 and 15,222.66

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Solution

The fourth proportional to 18,437.55, 27,780.69 and 15,222.66 is: 22,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.55 : 27,780.69 = 15,222.66 : x
  2. Step 2: Convert to fraction form
    18,437.55/27,780.69 = 15,222.66/x
  3. Step 3: Cross multiply
    18,437.55x = 27,780.69 × 15,222.66
  4. Step 4: Simplify right side
    18,437.55x = 422,895,998.44
  5. Step 5: Solve for x
    x = 422,895,998.44/18,437.55
  6. Step 6: Final answer
    x = 22,936.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.