Home / 23,615.50-35,402.06-21,561.09

Finding the Fourth Proportional to 23,615.50, 35,402.06 and 21,561.09

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Solution

The fourth proportional to 23,615.50, 35,402.06 and 21,561.09 is: 32,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,615.50 : 35,402.06 = 21,561.09 : x
  2. Step 2: Convert to fraction form
    23,615.50/35,402.06 = 21,561.09/x
  3. Step 3: Cross multiply
    23,615.50x = 35,402.06 × 21,561.09
  4. Step 4: Simplify right side
    23,615.50x = 763,306,922.99
  5. Step 5: Solve for x
    x = 763,306,922.99/23,615.50
  6. Step 6: Final answer
    x = 32,322.29

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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.