Home / 27,852.94-38,437.26-15,277.69

Finding the Fourth Proportional to 27,852.94, 38,437.26 and 15,277.69

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Solution

The fourth proportional to 27,852.94, 38,437.26 and 15,277.69 is: 21,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.94 : 38,437.26 = 15,277.69 : x
  2. Step 2: Convert to fraction form
    27,852.94/38,437.26 = 15,277.69/x
  3. Step 3: Cross multiply
    27,852.94x = 38,437.26 × 15,277.69
  4. Step 4: Simplify right side
    27,852.94x = 587,232,446.64
  5. Step 5: Solve for x
    x = 587,232,446.64/27,852.94
  6. Step 6: Final answer
    x = 21,083.32

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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.