Home / 21,415.19-32,125.86-6,625.26

Finding the Fourth Proportional to 21,415.19, 32,125.86 and 6,625.26

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Solution

The fourth proportional to 21,415.19, 32,125.86 and 6,625.26 is: 9,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,415.19 : 32,125.86 = 6,625.26 : x
  2. Step 2: Convert to fraction form
    21,415.19/32,125.86 = 6,625.26/x
  3. Step 3: Cross multiply
    21,415.19x = 32,125.86 × 6,625.26
  4. Step 4: Simplify right side
    21,415.19x = 212,842,175.22
  5. Step 5: Solve for x
    x = 212,842,175.22/21,415.19
  6. Step 6: Final answer
    x = 9,938.84

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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.