Home / 21,392.87-32,094.41-6,401.25

Finding the Fourth Proportional to 21,392.87, 32,094.41 and 6,401.25

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Solution

The fourth proportional to 21,392.87, 32,094.41 and 6,401.25 is: 9,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.87 : 32,094.41 = 6,401.25 : x
  2. Step 2: Convert to fraction form
    21,392.87/32,094.41 = 6,401.25/x
  3. Step 3: Cross multiply
    21,392.87x = 32,094.41 × 6,401.25
  4. Step 4: Simplify right side
    21,392.87x = 205,444,310.01
  5. Step 5: Solve for x
    x = 205,444,310.01/21,392.87
  6. Step 6: Final answer
    x = 9,603.40

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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.