Home / 20,157.70-30,236.55-14,584.90

Finding the Fourth Proportional to 20,157.70, 30,236.55 and 14,584.90

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Solution

The fourth proportional to 20,157.70, 30,236.55 and 14,584.90 is: 21,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.70 : 30,236.55 = 14,584.90 : x
  2. Step 2: Convert to fraction form
    20,157.70/30,236.55 = 14,584.90/x
  3. Step 3: Cross multiply
    20,157.70x = 30,236.55 × 14,584.90
  4. Step 4: Simplify right side
    20,157.70x = 440,997,058.10
  5. Step 5: Solve for x
    x = 440,997,058.10/20,157.70
  6. Step 6: Final answer
    x = 21,877.35

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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.