Home / 39,928.04-59,879.69-13,268.34

Finding the Fourth Proportional to 39,928.04, 59,879.69 and 13,268.34

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Solution

The fourth proportional to 39,928.04, 59,879.69 and 13,268.34 is: 19,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.04 : 59,879.69 = 13,268.34 : x
  2. Step 2: Convert to fraction form
    39,928.04/59,879.69 = 13,268.34/x
  3. Step 3: Cross multiply
    39,928.04x = 59,879.69 × 13,268.34
  4. Step 4: Simplify right side
    39,928.04x = 794,504,069.43
  5. Step 5: Solve for x
    x = 794,504,069.43/39,928.04
  6. Step 6: Final answer
    x = 19,898.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.