Home / 19,309.44-28,966.32-5,459.52

Finding the Fourth Proportional to 19,309.44, 28,966.32 and 5,459.52

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Solution

The fourth proportional to 19,309.44, 28,966.32 and 5,459.52 is: 8,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.44 : 28,966.32 = 5,459.52 : x
  2. Step 2: Convert to fraction form
    19,309.44/28,966.32 = 5,459.52/x
  3. Step 3: Cross multiply
    19,309.44x = 28,966.32 × 5,459.52
  4. Step 4: Simplify right side
    19,309.44x = 158,142,203.37
  5. Step 5: Solve for x
    x = 158,142,203.37/19,309.44
  6. Step 6: Final answer
    x = 8,189.89

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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.