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Finding the Fourth Proportional to 23,004.60, 34,506.90 and 21,911.10

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Solution

The fourth proportional to 23,004.60, 34,506.90 and 21,911.10 is: 32,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004.60 : 34,506.90 = 21,911.10 : x
  2. Step 2: Convert to fraction form
    23,004.60/34,506.90 = 21,911.10/x
  3. Step 3: Cross multiply
    23,004.60x = 34,506.90 × 21,911.10
  4. Step 4: Simplify right side
    23,004.60x = 756,084,136.59
  5. Step 5: Solve for x
    x = 756,084,136.59/23,004.60
  6. Step 6: Final answer
    x = 32,866.65

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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.