Home / 27,822.37-38,394.89-15,247.12

Finding the Fourth Proportional to 27,822.37, 38,394.89 and 15,247.12

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Solution

The fourth proportional to 27,822.37, 38,394.89 and 15,247.12 is: 21,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.37 : 38,394.89 = 15,247.12 : x
  2. Step 2: Convert to fraction form
    27,822.37/38,394.89 = 15,247.12/x
  3. Step 3: Cross multiply
    27,822.37x = 38,394.89 × 15,247.12
  4. Step 4: Simplify right side
    27,822.37x = 585,411,495.22
  5. Step 5: Solve for x
    x = 585,411,495.22/27,822.37
  6. Step 6: Final answer
    x = 21,041.04

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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.