Home / 27,143.56-37,456.32-15,206.86

Finding the Fourth Proportional to 27,143.56, 37,456.32 and 15,206.86

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Solution

The fourth proportional to 27,143.56, 37,456.32 and 15,206.86 is: 20,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.56 : 37,456.32 = 15,206.86 : x
  2. Step 2: Convert to fraction form
    27,143.56/37,456.32 = 15,206.86/x
  3. Step 3: Cross multiply
    27,143.56x = 37,456.32 × 15,206.86
  4. Step 4: Simplify right side
    27,143.56x = 569,593,014.36
  5. Step 5: Solve for x
    x = 569,593,014.36/27,143.56
  6. Step 6: Final answer
    x = 20,984.46

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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.