Home / 20,710.23-28,580.24-11,635.65

Finding the Fourth Proportional to 20,710.23, 28,580.24 and 11,635.65

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Solution

The fourth proportional to 20,710.23, 28,580.24 and 11,635.65 is: 16,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.23 : 28,580.24 = 11,635.65 : x
  2. Step 2: Convert to fraction form
    20,710.23/28,580.24 = 11,635.65/x
  3. Step 3: Cross multiply
    20,710.23x = 28,580.24 × 11,635.65
  4. Step 4: Simplify right side
    20,710.23x = 332,549,611.38
  5. Step 5: Solve for x
    x = 332,549,611.38/20,710.23
  6. Step 6: Final answer
    x = 16,057.26

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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.