Home / 27,062.86-37,346.70-15,739

Finding the Fourth Proportional to 27,062.86, 37,346.70 and 15,739

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Solution

The fourth proportional to 27,062.86, 37,346.70 and 15,739 is: 21,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.86 : 37,346.70 = 15,739 : x
  2. Step 2: Convert to fraction form
    27,062.86/37,346.70 = 15,739/x
  3. Step 3: Cross multiply
    27,062.86x = 37,346.70 × 15,739
  4. Step 4: Simplify right side
    27,062.86x = 587,799,711.30
  5. Step 5: Solve for x
    x = 587,799,711.30/27,062.86
  6. Step 6: Final answer
    x = 21,719.79

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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.