Home / 28,610.39-39,497.21-22,222.67

Finding the Fourth Proportional to 28,610.39, 39,497.21 and 22,222.67

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Solution

The fourth proportional to 28,610.39, 39,497.21 and 22,222.67 is: 30,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.39 : 39,497.21 = 22,222.67 : x
  2. Step 2: Convert to fraction form
    28,610.39/39,497.21 = 22,222.67/x
  3. Step 3: Cross multiply
    28,610.39x = 39,497.21 × 22,222.67
  4. Step 4: Simplify right side
    28,610.39x = 877,733,451.38
  5. Step 5: Solve for x
    x = 877,733,451.38/28,610.39
  6. Step 6: Final answer
    x = 30,678.84

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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.