Home / 28,684.99-39,581.76-16,739.65

Finding the Fourth Proportional to 28,684.99, 39,581.76 and 16,739.65

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Solution

The fourth proportional to 28,684.99, 39,581.76 and 16,739.65 is: 23,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.99 : 39,581.76 = 16,739.65 : x
  2. Step 2: Convert to fraction form
    28,684.99/39,581.76 = 16,739.65/x
  3. Step 3: Cross multiply
    28,684.99x = 39,581.76 × 16,739.65
  4. Step 4: Simplify right side
    28,684.99x = 662,584,808.78
  5. Step 5: Solve for x
    x = 662,584,808.78/28,684.99
  6. Step 6: Final answer
    x = 23,098.66

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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.