Home / 21,652.21-32,491.05-13,754.38

Finding the Fourth Proportional to 21,652.21, 32,491.05 and 13,754.38

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Solution

The fourth proportional to 21,652.21, 32,491.05 and 13,754.38 is: 20,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.21 : 32,491.05 = 13,754.38 : x
  2. Step 2: Convert to fraction form
    21,652.21/32,491.05 = 13,754.38/x
  3. Step 3: Cross multiply
    21,652.21x = 32,491.05 × 13,754.38
  4. Step 4: Simplify right side
    21,652.21x = 446,894,248.30
  5. Step 5: Solve for x
    x = 446,894,248.30/21,652.21
  6. Step 6: Final answer
    x = 20,639.66

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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.