Home / 27,590.51-41,353.36-12,768.12

Finding the Fourth Proportional to 27,590.51, 41,353.36 and 12,768.12

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Solution

The fourth proportional to 27,590.51, 41,353.36 and 12,768.12 is: 19,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.51 : 41,353.36 = 12,768.12 : x
  2. Step 2: Convert to fraction form
    27,590.51/41,353.36 = 12,768.12/x
  3. Step 3: Cross multiply
    27,590.51x = 41,353.36 × 12,768.12
  4. Step 4: Simplify right side
    27,590.51x = 528,004,662.88
  5. Step 5: Solve for x
    x = 528,004,662.88/27,590.51
  6. Step 6: Final answer
    x = 19,137.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.