Home / 20,000.70-29,955.42-17,157.60

Finding the Fourth Proportional to 20,000.70, 29,955.42 and 17,157.60

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Solution

The fourth proportional to 20,000.70, 29,955.42 and 17,157.60 is: 25,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.70 : 29,955.42 = 17,157.60 : x
  2. Step 2: Convert to fraction form
    20,000.70/29,955.42 = 17,157.60/x
  3. Step 3: Cross multiply
    20,000.70x = 29,955.42 × 17,157.60
  4. Step 4: Simplify right side
    20,000.70x = 513,963,114.19
  5. Step 5: Solve for x
    x = 513,963,114.19/20,000.70
  6. Step 6: Final answer
    x = 25,697.26

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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.