Home / 21,918.24-32,847.92-14,123.04

Finding the Fourth Proportional to 21,918.24, 32,847.92 and 14,123.04

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Solution

The fourth proportional to 21,918.24, 32,847.92 and 14,123.04 is: 21,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918.24 : 32,847.92 = 14,123.04 : x
  2. Step 2: Convert to fraction form
    21,918.24/32,847.92 = 14,123.04/x
  3. Step 3: Cross multiply
    21,918.24x = 32,847.92 × 14,123.04
  4. Step 4: Simplify right side
    21,918.24x = 463,912,488.08
  5. Step 5: Solve for x
    x = 463,912,488.08/21,918.24
  6. Step 6: Final answer
    x = 21,165.59

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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.