Home / 28,746.73-39,670.48-16,171.48

Finding the Fourth Proportional to 28,746.73, 39,670.48 and 16,171.48

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Solution

The fourth proportional to 28,746.73, 39,670.48 and 16,171.48 is: 22,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.73 : 39,670.48 = 16,171.48 : x
  2. Step 2: Convert to fraction form
    28,746.73/39,670.48 = 16,171.48/x
  3. Step 3: Cross multiply
    28,746.73x = 39,670.48 × 16,171.48
  4. Step 4: Simplify right side
    28,746.73x = 641,530,373.91
  5. Step 5: Solve for x
    x = 641,530,373.91/28,746.73
  6. Step 6: Final answer
    x = 22,316.64

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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.