Home / 28,667.76-39,562.20-16,093.68

Finding the Fourth Proportional to 28,667.76, 39,562.20 and 16,093.68

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Solution

The fourth proportional to 28,667.76, 39,562.20 and 16,093.68 is: 22,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.76 : 39,562.20 = 16,093.68 : x
  2. Step 2: Convert to fraction form
    28,667.76/39,562.20 = 16,093.68/x
  3. Step 3: Cross multiply
    28,667.76x = 39,562.20 × 16,093.68
  4. Step 4: Simplify right side
    28,667.76x = 636,701,386.90
  5. Step 5: Solve for x
    x = 636,701,386.90/28,667.76
  6. Step 6: Final answer
    x = 22,209.67

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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.