Home / 27,053.60-40,501.20-19,277.60

Finding the Fourth Proportional to 27,053.60, 40,501.20 and 19,277.60

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Solution

The fourth proportional to 27,053.60, 40,501.20 and 19,277.60 is: 28,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,053.60 : 40,501.20 = 19,277.60 : x
  2. Step 2: Convert to fraction form
    27,053.60/40,501.20 = 19,277.60/x
  3. Step 3: Cross multiply
    27,053.60x = 40,501.20 × 19,277.60
  4. Step 4: Simplify right side
    27,053.60x = 780,765,933.12
  5. Step 5: Solve for x
    x = 780,765,933.12/27,053.60
  6. Step 6: Final answer
    x = 28,859.96

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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.