Home / 26,975.58-37,223.22-15,642.72

Finding the Fourth Proportional to 26,975.58, 37,223.22 and 15,642.72

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Solution

The fourth proportional to 26,975.58, 37,223.22 and 15,642.72 is: 21,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,975.58 : 37,223.22 = 15,642.72 : x
  2. Step 2: Convert to fraction form
    26,975.58/37,223.22 = 15,642.72/x
  3. Step 3: Cross multiply
    26,975.58x = 37,223.22 × 15,642.72
  4. Step 4: Simplify right side
    26,975.58x = 582,272,407.96
  5. Step 5: Solve for x
    x = 582,272,407.96/26,975.58
  6. Step 6: Final answer
    x = 21,585.17

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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.