Home / 21,927.44-30,224.31-17,138.93

Finding the Fourth Proportional to 21,927.44, 30,224.31 and 17,138.93

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Solution

The fourth proportional to 21,927.44, 30,224.31 and 17,138.93 is: 23,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.44 : 30,224.31 = 17,138.93 : x
  2. Step 2: Convert to fraction form
    21,927.44/30,224.31 = 17,138.93/x
  3. Step 3: Cross multiply
    21,927.44x = 30,224.31 × 17,138.93
  4. Step 4: Simplify right side
    21,927.44x = 518,012,333.39
  5. Step 5: Solve for x
    x = 518,012,333.39/21,927.44
  6. Step 6: Final answer
    x = 23,623.93

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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.