Home / 20,104.16-29,993.01-19,015.52

Finding the Fourth Proportional to 20,104.16, 29,993.01 and 19,015.52

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Solution

The fourth proportional to 20,104.16, 29,993.01 and 19,015.52 is: 28,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.16 : 29,993.01 = 19,015.52 : x
  2. Step 2: Convert to fraction form
    20,104.16/29,993.01 = 19,015.52/x
  3. Step 3: Cross multiply
    20,104.16x = 29,993.01 × 19,015.52
  4. Step 4: Simplify right side
    20,104.16x = 570,332,681.52
  5. Step 5: Solve for x
    x = 570,332,681.52/20,104.16
  6. Step 6: Final answer
    x = 28,368.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.