Home / 21,617.20-32,402.24-14,226.72

Finding the Fourth Proportional to 21,617.20, 32,402.24 and 14,226.72

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Solution

The fourth proportional to 21,617.20, 32,402.24 and 14,226.72 is: 21,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.20 : 32,402.24 = 14,226.72 : x
  2. Step 2: Convert to fraction form
    21,617.20/32,402.24 = 14,226.72/x
  3. Step 3: Cross multiply
    21,617.20x = 32,402.24 × 14,226.72
  4. Step 4: Simplify right side
    21,617.20x = 460,977,595.85
  5. Step 5: Solve for x
    x = 460,977,595.85/21,617.20
  6. Step 6: Final answer
    x = 21,324.57

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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.