Home / 27,415.19-37,832.18-15,479.64

Finding the Fourth Proportional to 27,415.19, 37,832.18 and 15,479.64

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Solution

The fourth proportional to 27,415.19, 37,832.18 and 15,479.64 is: 21,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.19 : 37,832.18 = 15,479.64 : x
  2. Step 2: Convert to fraction form
    27,415.19/37,832.18 = 15,479.64/x
  3. Step 3: Cross multiply
    27,415.19x = 37,832.18 × 15,479.64
  4. Step 4: Simplify right side
    27,415.19x = 585,628,449.42
  5. Step 5: Solve for x
    x = 585,628,449.42/27,415.19
  6. Step 6: Final answer
    x = 21,361.46

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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.