Home / 27,362.73-37,762.86-15,428.54

Finding the Fourth Proportional to 27,362.73, 37,762.86 and 15,428.54

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Solution

The fourth proportional to 27,362.73, 37,762.86 and 15,428.54 is: 21,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,362.73 : 37,762.86 = 15,428.54 : x
  2. Step 2: Convert to fraction form
    27,362.73/37,762.86 = 15,428.54/x
  3. Step 3: Cross multiply
    27,362.73x = 37,762.86 × 15,428.54
  4. Step 4: Simplify right side
    27,362.73x = 582,625,861.50
  5. Step 5: Solve for x
    x = 582,625,861.50/27,362.73
  6. Step 6: Final answer
    x = 21,292.68

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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.