Home / 27,650.58-38,153.37-15,551.03

Finding the Fourth Proportional to 27,650.58, 38,153.37 and 15,551.03

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Solution

The fourth proportional to 27,650.58, 38,153.37 and 15,551.03 is: 21,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.58 : 38,153.37 = 15,551.03 : x
  2. Step 2: Convert to fraction form
    27,650.58/38,153.37 = 15,551.03/x
  3. Step 3: Cross multiply
    27,650.58x = 38,153.37 × 15,551.03
  4. Step 4: Simplify right side
    27,650.58x = 593,323,932.95
  5. Step 5: Solve for x
    x = 593,323,932.95/27,650.58
  6. Step 6: Final answer
    x = 21,457.92

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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.