Home / 28,682.22-39,592.76-18,069.87

Finding the Fourth Proportional to 28,682.22, 39,592.76 and 18,069.87

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Solution

The fourth proportional to 28,682.22, 39,592.76 and 18,069.87 is: 24,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.22 : 39,592.76 = 18,069.87 : x
  2. Step 2: Convert to fraction form
    28,682.22/39,592.76 = 18,069.87/x
  3. Step 3: Cross multiply
    28,682.22x = 39,592.76 × 18,069.87
  4. Step 4: Simplify right side
    28,682.22x = 715,435,935.79
  5. Step 5: Solve for x
    x = 715,435,935.79/28,682.22
  6. Step 6: Final answer
    x = 24,943.53

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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.