Home / 27,279.51-37,640.08-15,946.82

Finding the Fourth Proportional to 27,279.51, 37,640.08 and 15,946.82

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Solution

The fourth proportional to 27,279.51, 37,640.08 and 15,946.82 is: 22,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.51 : 37,640.08 = 15,946.82 : x
  2. Step 2: Convert to fraction form
    27,279.51/37,640.08 = 15,946.82/x
  3. Step 3: Cross multiply
    27,279.51x = 37,640.08 × 15,946.82
  4. Step 4: Simplify right side
    27,279.51x = 600,239,580.55
  5. Step 5: Solve for x
    x = 600,239,580.55/27,279.51
  6. Step 6: Final answer
    x = 22,003.31

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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.