Home / 28,285.59-39,029.78-16,346.62

Finding the Fourth Proportional to 28,285.59, 39,029.78 and 16,346.62

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Solution

The fourth proportional to 28,285.59, 39,029.78 and 16,346.62 is: 22,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.59 : 39,029.78 = 16,346.62 : x
  2. Step 2: Convert to fraction form
    28,285.59/39,029.78 = 16,346.62/x
  3. Step 3: Cross multiply
    28,285.59x = 39,029.78 × 16,346.62
  4. Step 4: Simplify right side
    28,285.59x = 638,004,980.05
  5. Step 5: Solve for x
    x = 638,004,980.05/28,285.59
  6. Step 6: Final answer
    x = 22,555.83

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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.