Home / 20,006.60-29,966.70-17,817.80

Finding the Fourth Proportional to 20,006.60, 29,966.70 and 17,817.80

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Solution

The fourth proportional to 20,006.60, 29,966.70 and 17,817.80 is: 26,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.60 : 29,966.70 = 17,817.80 : x
  2. Step 2: Convert to fraction form
    20,006.60/29,966.70 = 17,817.80/x
  3. Step 3: Cross multiply
    20,006.60x = 29,966.70 × 17,817.80
  4. Step 4: Simplify right side
    20,006.60x = 533,940,667.26
  5. Step 5: Solve for x
    x = 533,940,667.26/20,006.60
  6. Step 6: Final answer
    x = 26,688.23

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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.