Home / 21,166.20-31,750.29-17,461.56

Finding the Fourth Proportional to 21,166.20, 31,750.29 and 17,461.56

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Solution

The fourth proportional to 21,166.20, 31,750.29 and 17,461.56 is: 26,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.20 : 31,750.29 = 17,461.56 : x
  2. Step 2: Convert to fraction form
    21,166.20/31,750.29 = 17,461.56/x
  3. Step 3: Cross multiply
    21,166.20x = 31,750.29 × 17,461.56
  4. Step 4: Simplify right side
    21,166.20x = 554,409,593.85
  5. Step 5: Solve for x
    x = 554,409,593.85/21,166.20
  6. Step 6: Final answer
    x = 26,193.16

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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.