Home / 21,088.98-31,609.56-8,593.26

Finding the Fourth Proportional to 21,088.98, 31,609.56 and 8,593.26

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Solution

The fourth proportional to 21,088.98, 31,609.56 and 8,593.26 is: 12,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.98 : 31,609.56 = 8,593.26 : x
  2. Step 2: Convert to fraction form
    21,088.98/31,609.56 = 8,593.26/x
  3. Step 3: Cross multiply
    21,088.98x = 31,609.56 × 8,593.26
  4. Step 4: Simplify right side
    21,088.98x = 271,629,167.57
  5. Step 5: Solve for x
    x = 271,629,167.57/21,088.98
  6. Step 6: Final answer
    x = 12,880.15

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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.