Home / 27,823.22-38,395.77-15,076.11

Finding the Fourth Proportional to 27,823.22, 38,395.77 and 15,076.11

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Solution

The fourth proportional to 27,823.22, 38,395.77 and 15,076.11 is: 20,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.22 : 38,395.77 = 15,076.11 : x
  2. Step 2: Convert to fraction form
    27,823.22/38,395.77 = 15,076.11/x
  3. Step 3: Cross multiply
    27,823.22x = 38,395.77 × 15,076.11
  4. Step 4: Simplify right side
    27,823.22x = 578,858,852.05
  5. Step 5: Solve for x
    x = 578,858,852.05/27,823.22
  6. Step 6: Final answer
    x = 20,804.89

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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.