Home / 25,946.60-38,855.10-17,133.80

Finding the Fourth Proportional to 25,946.60, 38,855.10 and 17,133.80

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Solution

The fourth proportional to 25,946.60, 38,855.10 and 17,133.80 is: 25,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,946.60 : 38,855.10 = 17,133.80 : x
  2. Step 2: Convert to fraction form
    25,946.60/38,855.10 = 17,133.80/x
  3. Step 3: Cross multiply
    25,946.60x = 38,855.10 × 17,133.80
  4. Step 4: Simplify right side
    25,946.60x = 665,735,512.38
  5. Step 5: Solve for x
    x = 665,735,512.38/25,946.60
  6. Step 6: Final answer
    x = 25,657.91

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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.