Home / 27,622.47-38,141.49-22,518.79

Finding the Fourth Proportional to 27,622.47, 38,141.49 and 22,518.79

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Solution

The fourth proportional to 27,622.47, 38,141.49 and 22,518.79 is: 31,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.47 : 38,141.49 = 22,518.79 : x
  2. Step 2: Convert to fraction form
    27,622.47/38,141.49 = 22,518.79/x
  3. Step 3: Cross multiply
    27,622.47x = 38,141.49 × 22,518.79
  4. Step 4: Simplify right side
    27,622.47x = 858,900,203.60
  5. Step 5: Solve for x
    x = 858,900,203.60/27,622.47
  6. Step 6: Final answer
    x = 31,094.26

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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.