Home / 21,491.10-32,236.65-14,930.10

Finding the Fourth Proportional to 21,491.10, 32,236.65 and 14,930.10

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Solution

The fourth proportional to 21,491.10, 32,236.65 and 14,930.10 is: 22,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.10 : 32,236.65 = 14,930.10 : x
  2. Step 2: Convert to fraction form
    21,491.10/32,236.65 = 14,930.10/x
  3. Step 3: Cross multiply
    21,491.10x = 32,236.65 × 14,930.10
  4. Step 4: Simplify right side
    21,491.10x = 481,296,408.17
  5. Step 5: Solve for x
    x = 481,296,408.17/21,491.10
  6. Step 6: Final answer
    x = 22,395.15

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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.