Home / 27,110.34-37,378.53-20,744.82

Finding the Fourth Proportional to 27,110.34, 37,378.53 and 20,744.82

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Solution

The fourth proportional to 27,110.34, 37,378.53 and 20,744.82 is: 28,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110.34 : 37,378.53 = 20,744.82 : x
  2. Step 2: Convert to fraction form
    27,110.34/37,378.53 = 20,744.82/x
  3. Step 3: Cross multiply
    27,110.34x = 37,378.53 × 20,744.82
  4. Step 4: Simplify right side
    27,110.34x = 775,410,876.71
  5. Step 5: Solve for x
    x = 775,410,876.71/27,110.34
  6. Step 6: Final answer
    x = 28,602.03

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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.