Home / 28,967.79-39,993.60-22,240.02

Finding the Fourth Proportional to 28,967.79, 39,993.60 and 22,240.02

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Solution

The fourth proportional to 28,967.79, 39,993.60 and 22,240.02 is: 30,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.79 : 39,993.60 = 22,240.02 : x
  2. Step 2: Convert to fraction form
    28,967.79/39,993.60 = 22,240.02/x
  3. Step 3: Cross multiply
    28,967.79x = 39,993.60 × 22,240.02
  4. Step 4: Simplify right side
    28,967.79x = 889,458,463.87
  5. Step 5: Solve for x
    x = 889,458,463.87/28,967.79
  6. Step 6: Final answer
    x = 30,705.09

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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.