Home / 21,026.07-31,539.09-8,552.88

Finding the Fourth Proportional to 21,026.07, 31,539.09 and 8,552.88

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Solution

The fourth proportional to 21,026.07, 31,539.09 and 8,552.88 is: 12,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.07 : 31,539.09 = 8,552.88 : x
  2. Step 2: Convert to fraction form
    21,026.07/31,539.09 = 8,552.88/x
  3. Step 3: Cross multiply
    21,026.07x = 31,539.09 × 8,552.88
  4. Step 4: Simplify right side
    21,026.07x = 269,750,052.08
  5. Step 5: Solve for x
    x = 269,750,052.08/21,026.07
  6. Step 6: Final answer
    x = 12,829.31

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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.