Home / 21,610.19-32,415.29-6,820.26

Finding the Fourth Proportional to 21,610.19, 32,415.29 and 6,820.26

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Solution

The fourth proportional to 21,610.19, 32,415.29 and 6,820.26 is: 10,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.19 : 32,415.29 = 6,820.26 : x
  2. Step 2: Convert to fraction form
    21,610.19/32,415.29 = 6,820.26/x
  3. Step 3: Cross multiply
    21,610.19x = 32,415.29 × 6,820.26
  4. Step 4: Simplify right side
    21,610.19x = 221,080,705.78
  5. Step 5: Solve for x
    x = 221,080,705.78/21,610.19
  6. Step 6: Final answer
    x = 10,230.39

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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.