Home / 28,847.23-39,795.52-18,771.99

Finding the Fourth Proportional to 28,847.23, 39,795.52 and 18,771.99

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Solution

The fourth proportional to 28,847.23, 39,795.52 and 18,771.99 is: 25,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.23 : 39,795.52 = 18,771.99 : x
  2. Step 2: Convert to fraction form
    28,847.23/39,795.52 = 18,771.99/x
  3. Step 3: Cross multiply
    28,847.23x = 39,795.52 × 18,771.99
  4. Step 4: Simplify right side
    28,847.23x = 747,041,103.48
  5. Step 5: Solve for x
    x = 747,041,103.48/28,847.23
  6. Step 6: Final answer
    x = 25,896.46

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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.