Home / 27,345.24-37,735.98-15,409.80

Finding the Fourth Proportional to 27,345.24, 37,735.98 and 15,409.80

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Solution

The fourth proportional to 27,345.24, 37,735.98 and 15,409.80 is: 21,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.24 : 37,735.98 = 15,409.80 : x
  2. Step 2: Convert to fraction form
    27,345.24/37,735.98 = 15,409.80/x
  3. Step 3: Cross multiply
    27,345.24x = 37,735.98 × 15,409.80
  4. Step 4: Simplify right side
    27,345.24x = 581,503,904.60
  5. Step 5: Solve for x
    x = 581,503,904.60/27,345.24
  6. Step 6: Final answer
    x = 21,265.27

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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.