Home / 26,678.62-36,772.59-18,920.02

Finding the Fourth Proportional to 26,678.62, 36,772.59 and 18,920.02

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Solution

The fourth proportional to 26,678.62, 36,772.59 and 18,920.02 is: 26,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.62 : 36,772.59 = 18,920.02 : x
  2. Step 2: Convert to fraction form
    26,678.62/36,772.59 = 18,920.02/x
  3. Step 3: Cross multiply
    26,678.62x = 36,772.59 × 18,920.02
  4. Step 4: Simplify right side
    26,678.62x = 695,738,138.25
  5. Step 5: Solve for x
    x = 695,738,138.25/26,678.62
  6. Step 6: Final answer
    x = 26,078.49

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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.