Home / 52,865.33-72,954-28,993.55

Finding the Fourth Proportional to 52,865.33, 72,954 and 28,993.55

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Solution

The fourth proportional to 52,865.33, 72,954 and 28,993.55 is: 40,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.33 : 72,954 = 28,993.55 : x
  2. Step 2: Convert to fraction form
    52,865.33/72,954 = 28,993.55/x
  3. Step 3: Cross multiply
    52,865.33x = 72,954 × 28,993.55
  4. Step 4: Simplify right side
    52,865.33x = 2,115,195,081.93
  5. Step 5: Solve for x
    x = 2,115,195,081.93/52,865.33
  6. Step 6: Final answer
    x = 40,011.01

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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.