Home / 27,361.36-37,783.56-20,635.48

Finding the Fourth Proportional to 27,361.36, 37,783.56 and 20,635.48

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Solution

The fourth proportional to 27,361.36, 37,783.56 and 20,635.48 is: 28,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.36 : 37,783.56 = 20,635.48 : x
  2. Step 2: Convert to fraction form
    27,361.36/37,783.56 = 20,635.48/x
  3. Step 3: Cross multiply
    27,361.36x = 37,783.56 × 20,635.48
  4. Step 4: Simplify right side
    27,361.36x = 779,681,896.71
  5. Step 5: Solve for x
    x = 779,681,896.71/27,361.36
  6. Step 6: Final answer
    x = 28,495.73

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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.