Home / 28,860.84-39,829.86-18,246.60

Finding the Fourth Proportional to 28,860.84, 39,829.86 and 18,246.60

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Solution

The fourth proportional to 28,860.84, 39,829.86 and 18,246.60 is: 25,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.84 : 39,829.86 = 18,246.60 : x
  2. Step 2: Convert to fraction form
    28,860.84/39,829.86 = 18,246.60/x
  3. Step 3: Cross multiply
    28,860.84x = 39,829.86 × 18,246.60
  4. Step 4: Simplify right side
    28,860.84x = 726,759,523.48
  5. Step 5: Solve for x
    x = 726,759,523.48/28,860.84
  6. Step 6: Final answer
    x = 25,181.51

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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.