Home / 28,746.92-39,670.73-16,171.67

Finding the Fourth Proportional to 28,746.92, 39,670.73 and 16,171.67

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Solution

The fourth proportional to 28,746.92, 39,670.73 and 16,171.67 is: 22,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.92 : 39,670.73 = 16,171.67 : x
  2. Step 2: Convert to fraction form
    28,746.92/39,670.73 = 16,171.67/x
  3. Step 3: Cross multiply
    28,746.92x = 39,670.73 × 16,171.67
  4. Step 4: Simplify right side
    28,746.92x = 641,541,954.22
  5. Step 5: Solve for x
    x = 641,541,954.22/28,746.92
  6. Step 6: Final answer
    x = 22,316.89

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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.