Home / 27,679.63-38,192.07-17,604.40

Finding the Fourth Proportional to 27,679.63, 38,192.07 and 17,604.40

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Solution

The fourth proportional to 27,679.63, 38,192.07 and 17,604.40 is: 24,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.63 : 38,192.07 = 17,604.40 : x
  2. Step 2: Convert to fraction form
    27,679.63/38,192.07 = 17,604.40/x
  3. Step 3: Cross multiply
    27,679.63x = 38,192.07 × 17,604.40
  4. Step 4: Simplify right side
    27,679.63x = 672,348,477.11
  5. Step 5: Solve for x
    x = 672,348,477.11/27,679.63
  6. Step 6: Final answer
    x = 24,290.37

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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.