Home / 21,673.41-32,501.88-8,518.61

Finding the Fourth Proportional to 21,673.41, 32,501.88 and 8,518.61

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Solution

The fourth proportional to 21,673.41, 32,501.88 and 8,518.61 is: 12,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673.41 : 32,501.88 = 8,518.61 : x
  2. Step 2: Convert to fraction form
    21,673.41/32,501.88 = 8,518.61/x
  3. Step 3: Cross multiply
    21,673.41x = 32,501.88 × 8,518.61
  4. Step 4: Simplify right side
    21,673.41x = 276,870,677.48
  5. Step 5: Solve for x
    x = 276,870,677.48/21,673.41
  6. Step 6: Final answer
    x = 12,774.67

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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.