Home / 26,617.38-36,730.74-15,279

Finding the Fourth Proportional to 26,617.38, 36,730.74 and 15,279

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Solution

The fourth proportional to 26,617.38, 36,730.74 and 15,279 is: 21,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.38 : 36,730.74 = 15,279 : x
  2. Step 2: Convert to fraction form
    26,617.38/36,730.74 = 15,279/x
  3. Step 3: Cross multiply
    26,617.38x = 36,730.74 × 15,279
  4. Step 4: Simplify right side
    26,617.38x = 561,208,976.46
  5. Step 5: Solve for x
    x = 561,208,976.46/26,617.38
  6. Step 6: Final answer
    x = 21,084.31

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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.