Home / 23,270.48-32,115.40-13,202.20

Finding the Fourth Proportional to 23,270.48, 32,115.40 and 13,202.20

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Solution

The fourth proportional to 23,270.48, 32,115.40 and 13,202.20 is: 18,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.48 : 32,115.40 = 13,202.20 : x
  2. Step 2: Convert to fraction form
    23,270.48/32,115.40 = 13,202.20/x
  3. Step 3: Cross multiply
    23,270.48x = 32,115.40 × 13,202.20
  4. Step 4: Simplify right side
    23,270.48x = 423,993,933.88
  5. Step 5: Solve for x
    x = 423,993,933.88/23,270.48
  6. Step 6: Final answer
    x = 18,220.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.