Home / 20,019.12-27,628.44-14,433.36

Finding the Fourth Proportional to 20,019.12, 27,628.44 and 14,433.36

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Solution

The fourth proportional to 20,019.12, 27,628.44 and 14,433.36 is: 19,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.12 : 27,628.44 = 14,433.36 : x
  2. Step 2: Convert to fraction form
    20,019.12/27,628.44 = 14,433.36/x
  3. Step 3: Cross multiply
    20,019.12x = 27,628.44 × 14,433.36
  4. Step 4: Simplify right side
    20,019.12x = 398,771,220.76
  5. Step 5: Solve for x
    x = 398,771,220.76/20,019.12
  6. Step 6: Final answer
    x = 19,919.52

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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.