Home / 21,739.07-32,608.77-7,699.15

Finding the Fourth Proportional to 21,739.07, 32,608.77 and 7,699.15

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Solution

The fourth proportional to 21,739.07, 32,608.77 and 7,699.15 is: 11,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.07 : 32,608.77 = 7,699.15 : x
  2. Step 2: Convert to fraction form
    21,739.07/32,608.77 = 7,699.15/x
  3. Step 3: Cross multiply
    21,739.07x = 32,608.77 × 7,699.15
  4. Step 4: Simplify right side
    21,739.07x = 251,059,730.02
  5. Step 5: Solve for x
    x = 251,059,730.02/21,739.07
  6. Step 6: Final answer
    x = 11,548.78

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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.