Home / 21,622.85-32,435.24-10,538.91

Finding the Fourth Proportional to 21,622.85, 32,435.24 and 10,538.91

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Solution

The fourth proportional to 21,622.85, 32,435.24 and 10,538.91 is: 15,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.85 : 32,435.24 = 10,538.91 : x
  2. Step 2: Convert to fraction form
    21,622.85/32,435.24 = 10,538.91/x
  3. Step 3: Cross multiply
    21,622.85x = 32,435.24 × 10,538.91
  4. Step 4: Simplify right side
    21,622.85x = 341,832,022.49
  5. Step 5: Solve for x
    x = 341,832,022.49/21,622.85
  6. Step 6: Final answer
    x = 15,808.83

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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.