Home / 27,269.96-37,630.32-15,331.05

Finding the Fourth Proportional to 27,269.96, 37,630.32 and 15,331.05

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Solution

The fourth proportional to 27,269.96, 37,630.32 and 15,331.05 is: 21,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.96 : 37,630.32 = 15,331.05 : x
  2. Step 2: Convert to fraction form
    27,269.96/37,630.32 = 15,331.05/x
  3. Step 3: Cross multiply
    27,269.96x = 37,630.32 × 15,331.05
  4. Step 4: Simplify right side
    27,269.96x = 576,912,317.44
  5. Step 5: Solve for x
    x = 576,912,317.44/27,269.96
  6. Step 6: Final answer
    x = 21,155.60

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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.