Home / 19,996.60-29,975.70-15,551.80

Finding the Fourth Proportional to 19,996.60, 29,975.70 and 15,551.80

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Solution

The fourth proportional to 19,996.60, 29,975.70 and 15,551.80 is: 23,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.60 : 29,975.70 = 15,551.80 : x
  2. Step 2: Convert to fraction form
    19,996.60/29,975.70 = 15,551.80/x
  3. Step 3: Cross multiply
    19,996.60x = 29,975.70 × 15,551.80
  4. Step 4: Simplify right side
    19,996.60x = 466,176,091.26
  5. Step 5: Solve for x
    x = 466,176,091.26/19,996.60
  6. Step 6: Final answer
    x = 23,312.77

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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.