Home / 27,319.92-37,703.28-20,593.68

Finding the Fourth Proportional to 27,319.92, 37,703.28 and 20,593.68

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Solution

The fourth proportional to 27,319.92, 37,703.28 and 20,593.68 is: 28,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.92 : 37,703.28 = 20,593.68 : x
  2. Step 2: Convert to fraction form
    27,319.92/37,703.28 = 20,593.68/x
  3. Step 3: Cross multiply
    27,319.92x = 37,703.28 × 20,593.68
  4. Step 4: Simplify right side
    27,319.92x = 776,449,283.27
  5. Step 5: Solve for x
    x = 776,449,283.27/27,319.92
  6. Step 6: Final answer
    x = 28,420.63

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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.