Home / 39,023.55-58,529.38-12,728.25

Finding the Fourth Proportional to 39,023.55, 58,529.38 and 12,728.25

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Solution

The fourth proportional to 39,023.55, 58,529.38 and 12,728.25 is: 19,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023.55 : 58,529.38 = 12,728.25 : x
  2. Step 2: Convert to fraction form
    39,023.55/58,529.38 = 12,728.25/x
  3. Step 3: Cross multiply
    39,023.55x = 58,529.38 × 12,728.25
  4. Step 4: Simplify right side
    39,023.55x = 744,976,580.99
  5. Step 5: Solve for x
    x = 744,976,580.99/39,023.55
  6. Step 6: Final answer
    x = 19,090.44

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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.