Home / 27,261.77-37,615.73-15,929.07

Finding the Fourth Proportional to 27,261.77, 37,615.73 and 15,929.07

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Solution

The fourth proportional to 27,261.77, 37,615.73 and 15,929.07 is: 21,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.77 : 37,615.73 = 15,929.07 : x
  2. Step 2: Convert to fraction form
    27,261.77/37,615.73 = 15,929.07/x
  3. Step 3: Cross multiply
    27,261.77x = 37,615.73 × 15,929.07
  4. Step 4: Simplify right side
    27,261.77x = 599,183,516.63
  5. Step 5: Solve for x
    x = 599,183,516.63/27,261.77
  6. Step 6: Final answer
    x = 21,978.90

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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.