Home / 21,657.21-32,486.01-7,617.34

Finding the Fourth Proportional to 21,657.21, 32,486.01 and 7,617.34

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Solution

The fourth proportional to 21,657.21, 32,486.01 and 7,617.34 is: 11,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.21 : 32,486.01 = 7,617.34 : x
  2. Step 2: Convert to fraction form
    21,657.21/32,486.01 = 7,617.34/x
  3. Step 3: Cross multiply
    21,657.21x = 32,486.01 × 7,617.34
  4. Step 4: Simplify right side
    21,657.21x = 247,457,108.25
  5. Step 5: Solve for x
    x = 247,457,108.25/21,657.21
  6. Step 6: Final answer
    x = 11,426.08

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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.