Home / 19,914.60-29,828.70-17,725.80

Finding the Fourth Proportional to 19,914.60, 29,828.70 and 17,725.80

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Solution

The fourth proportional to 19,914.60, 29,828.70 and 17,725.80 is: 26,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.60 : 29,828.70 = 17,725.80 : x
  2. Step 2: Convert to fraction form
    19,914.60/29,828.70 = 17,725.80/x
  3. Step 3: Cross multiply
    19,914.60x = 29,828.70 × 17,725.80
  4. Step 4: Simplify right side
    19,914.60x = 528,737,570.46
  5. Step 5: Solve for x
    x = 528,737,570.46/19,914.60
  6. Step 6: Final answer
    x = 26,550.25

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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.