Home / 27,319.33-37,664.31-20,484.27

Finding the Fourth Proportional to 27,319.33, 37,664.31 and 20,484.27

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Solution

The fourth proportional to 27,319.33, 37,664.31 and 20,484.27 is: 28,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.33 : 37,664.31 = 20,484.27 : x
  2. Step 2: Convert to fraction form
    27,319.33/37,664.31 = 20,484.27/x
  3. Step 3: Cross multiply
    27,319.33x = 37,664.31 × 20,484.27
  4. Step 4: Simplify right side
    27,319.33x = 771,525,895.40
  5. Step 5: Solve for x
    x = 771,525,895.40/27,319.33
  6. Step 6: Final answer
    x = 28,241.03

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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.