Home / 28,285.46-39,022.68-16,346.60

Finding the Fourth Proportional to 28,285.46, 39,022.68 and 16,346.60

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Solution

The fourth proportional to 28,285.46, 39,022.68 and 16,346.60 is: 22,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.46 : 39,022.68 = 16,346.60 : x
  2. Step 2: Convert to fraction form
    28,285.46/39,022.68 = 16,346.60/x
  3. Step 3: Cross multiply
    28,285.46x = 39,022.68 × 16,346.60
  4. Step 4: Simplify right side
    28,285.46x = 637,888,140.89
  5. Step 5: Solve for x
    x = 637,888,140.89/28,285.46
  6. Step 6: Final answer
    x = 22,551.80

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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.