Home / 26,776.66-36,942.75-15,445.88

Finding the Fourth Proportional to 26,776.66, 36,942.75 and 15,445.88

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Solution

The fourth proportional to 26,776.66, 36,942.75 and 15,445.88 is: 21,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,776.66 : 36,942.75 = 15,445.88 : x
  2. Step 2: Convert to fraction form
    26,776.66/36,942.75 = 15,445.88/x
  3. Step 3: Cross multiply
    26,776.66x = 36,942.75 × 15,445.88
  4. Step 4: Simplify right side
    26,776.66x = 570,613,283.37
  5. Step 5: Solve for x
    x = 570,613,283.37/26,776.66
  6. Step 6: Final answer
    x = 21,310.10

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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.