Home / 26,670.76-36,805.92-18,616.12

Finding the Fourth Proportional to 26,670.76, 36,805.92 and 18,616.12

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Solution

The fourth proportional to 26,670.76, 36,805.92 and 18,616.12 is: 25,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.76 : 36,805.92 = 18,616.12 : x
  2. Step 2: Convert to fraction form
    26,670.76/36,805.92 = 18,616.12/x
  3. Step 3: Cross multiply
    26,670.76x = 36,805.92 × 18,616.12
  4. Step 4: Simplify right side
    26,670.76x = 685,183,423.43
  5. Step 5: Solve for x
    x = 685,183,423.43/26,670.76
  6. Step 6: Final answer
    x = 25,690.43

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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.