Home / 21,026.78-31,534.80-6,232.24

Finding the Fourth Proportional to 21,026.78, 31,534.80 and 6,232.24

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Solution

The fourth proportional to 21,026.78, 31,534.80 and 6,232.24 is: 9,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.78 : 31,534.80 = 6,232.24 : x
  2. Step 2: Convert to fraction form
    21,026.78/31,534.80 = 6,232.24/x
  3. Step 3: Cross multiply
    21,026.78x = 31,534.80 × 6,232.24
  4. Step 4: Simplify right side
    21,026.78x = 196,532,481.37
  5. Step 5: Solve for x
    x = 196,532,481.37/21,026.78
  6. Step 6: Final answer
    x = 9,346.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.