Home / 25,564.20-38,346.30-19,003.20

Finding the Fourth Proportional to 25,564.20, 38,346.30 and 19,003.20

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Solution

The fourth proportional to 25,564.20, 38,346.30 and 19,003.20 is: 28,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.20 : 38,346.30 = 19,003.20 : x
  2. Step 2: Convert to fraction form
    25,564.20/38,346.30 = 19,003.20/x
  3. Step 3: Cross multiply
    25,564.20x = 38,346.30 × 19,003.20
  4. Step 4: Simplify right side
    25,564.20x = 728,702,408.16
  5. Step 5: Solve for x
    x = 728,702,408.16/25,564.20
  6. Step 6: Final answer
    x = 28,504.80

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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.