Home / 27,440.48-37,868.60-15,503.56

Finding the Fourth Proportional to 27,440.48, 37,868.60 and 15,503.56

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Solution

The fourth proportional to 27,440.48, 37,868.60 and 15,503.56 is: 21,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.48 : 37,868.60 = 15,503.56 : x
  2. Step 2: Convert to fraction form
    27,440.48/37,868.60 = 15,503.56/x
  3. Step 3: Cross multiply
    27,440.48x = 37,868.60 × 15,503.56
  4. Step 4: Simplify right side
    27,440.48x = 587,098,140.17
  5. Step 5: Solve for x
    x = 587,098,140.17/27,440.48
  6. Step 6: Final answer
    x = 21,395.33

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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.