Home / 21,024.20-31,486.62-17,676.20

Finding the Fourth Proportional to 21,024.20, 31,486.62 and 17,676.20

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Solution

The fourth proportional to 21,024.20, 31,486.62 and 17,676.20 is: 26,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.20 : 31,486.62 = 17,676.20 : x
  2. Step 2: Convert to fraction form
    21,024.20/31,486.62 = 17,676.20/x
  3. Step 3: Cross multiply
    21,024.20x = 31,486.62 × 17,676.20
  4. Step 4: Simplify right side
    21,024.20x = 556,563,792.44
  5. Step 5: Solve for x
    x = 556,563,792.44/21,024.20
  6. Step 6: Final answer
    x = 26,472.53

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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.