Home / 27,858.44-38,444.33-15,283.19

Finding the Fourth Proportional to 27,858.44, 38,444.33 and 15,283.19

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Solution

The fourth proportional to 27,858.44, 38,444.33 and 15,283.19 is: 21,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.44 : 38,444.33 = 15,283.19 : x
  2. Step 2: Convert to fraction form
    27,858.44/38,444.33 = 15,283.19/x
  3. Step 3: Cross multiply
    27,858.44x = 38,444.33 × 15,283.19
  4. Step 4: Simplify right side
    27,858.44x = 587,551,731.18
  5. Step 5: Solve for x
    x = 587,551,731.18/27,858.44
  6. Step 6: Final answer
    x = 21,090.62

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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.