Home / 20,007.40-27,610.04-11,055.50

Finding the Fourth Proportional to 20,007.40, 27,610.04 and 11,055.50

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Solution

The fourth proportional to 20,007.40, 27,610.04 and 11,055.50 is: 15,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.40 : 27,610.04 = 11,055.50 : x
  2. Step 2: Convert to fraction form
    20,007.40/27,610.04 = 11,055.50/x
  3. Step 3: Cross multiply
    20,007.40x = 27,610.04 × 11,055.50
  4. Step 4: Simplify right side
    20,007.40x = 305,242,797.22
  5. Step 5: Solve for x
    x = 305,242,797.22/20,007.40
  6. Step 6: Final answer
    x = 15,256.49

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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.