Home / 27,798.10-38,361.33-15,051.22

Finding the Fourth Proportional to 27,798.10, 38,361.33 and 15,051.22

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Solution

The fourth proportional to 27,798.10, 38,361.33 and 15,051.22 is: 20,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.10 : 38,361.33 = 15,051.22 : x
  2. Step 2: Convert to fraction form
    27,798.10/38,361.33 = 15,051.22/x
  3. Step 3: Cross multiply
    27,798.10x = 38,361.33 × 15,051.22
  4. Step 4: Simplify right side
    27,798.10x = 577,384,817.32
  5. Step 5: Solve for x
    x = 577,384,817.32/27,798.10
  6. Step 6: Final answer
    x = 20,770.66

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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.