Home / 31,260.34-43,127.62-19,927.23

Finding the Fourth Proportional to 31,260.34, 43,127.62 and 19,927.23

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Solution

The fourth proportional to 31,260.34, 43,127.62 and 19,927.23 is: 27,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.34 : 43,127.62 = 19,927.23 : x
  2. Step 2: Convert to fraction form
    31,260.34/43,127.62 = 19,927.23/x
  3. Step 3: Cross multiply
    31,260.34x = 43,127.62 × 19,927.23
  4. Step 4: Simplify right side
    31,260.34x = 859,414,003.09
  5. Step 5: Solve for x
    x = 859,414,003.09/31,260.34
  6. Step 6: Final answer
    x = 27,492.15

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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.