Home / 26,613.32-36,728.06-15,286.36

Finding the Fourth Proportional to 26,613.32, 36,728.06 and 15,286.36

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Solution

The fourth proportional to 26,613.32, 36,728.06 and 15,286.36 is: 21,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.32 : 36,728.06 = 15,286.36 : x
  2. Step 2: Convert to fraction form
    26,613.32/36,728.06 = 15,286.36/x
  3. Step 3: Cross multiply
    26,613.32x = 36,728.06 × 15,286.36
  4. Step 4: Simplify right side
    26,613.32x = 561,438,347.26
  5. Step 5: Solve for x
    x = 561,438,347.26/26,613.32
  6. Step 6: Final answer
    x = 21,096.14

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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.