Home / 28,273.62-39,030.87-16,334.65

Finding the Fourth Proportional to 28,273.62, 39,030.87 and 16,334.65

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Solution

The fourth proportional to 28,273.62, 39,030.87 and 16,334.65 is: 22,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.62 : 39,030.87 = 16,334.65 : x
  2. Step 2: Convert to fraction form
    28,273.62/39,030.87 = 16,334.65/x
  3. Step 3: Cross multiply
    28,273.62x = 39,030.87 × 16,334.65
  4. Step 4: Simplify right side
    28,273.62x = 637,555,405.49
  5. Step 5: Solve for x
    x = 637,555,405.49/28,273.62
  6. Step 6: Final answer
    x = 22,549.48

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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.