Home / 28,921.53-39,887.46-22,943.73

Finding the Fourth Proportional to 28,921.53, 39,887.46 and 22,943.73

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Solution

The fourth proportional to 28,921.53, 39,887.46 and 22,943.73 is: 31,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921.53 : 39,887.46 = 22,943.73 : x
  2. Step 2: Convert to fraction form
    28,921.53/39,887.46 = 22,943.73/x
  3. Step 3: Cross multiply
    28,921.53x = 39,887.46 × 22,943.73
  4. Step 4: Simplify right side
    28,921.53x = 915,167,112.63
  5. Step 5: Solve for x
    x = 915,167,112.63/28,921.53
  6. Step 6: Final answer
    x = 31,643.11

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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.