Home / 28,683.75-39,583.59-16,108.50

Finding the Fourth Proportional to 28,683.75, 39,583.59 and 16,108.50

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Solution

The fourth proportional to 28,683.75, 39,583.59 and 16,108.50 is: 22,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.75 : 39,583.59 = 16,108.50 : x
  2. Step 2: Convert to fraction form
    28,683.75/39,583.59 = 16,108.50/x
  3. Step 3: Cross multiply
    28,683.75x = 39,583.59 × 16,108.50
  4. Step 4: Simplify right side
    28,683.75x = 637,632,259.52
  5. Step 5: Solve for x
    x = 637,632,259.52/28,683.75
  6. Step 6: Final answer
    x = 22,229.74

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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.