Home / 20,624.72-28,457.37-11,670.26

Finding the Fourth Proportional to 20,624.72, 28,457.37 and 11,670.26

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Solution

The fourth proportional to 20,624.72, 28,457.37 and 11,670.26 is: 16,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.72 : 28,457.37 = 11,670.26 : x
  2. Step 2: Convert to fraction form
    20,624.72/28,457.37 = 11,670.26/x
  3. Step 3: Cross multiply
    20,624.72x = 28,457.37 × 11,670.26
  4. Step 4: Simplify right side
    20,624.72x = 332,104,764.53
  5. Step 5: Solve for x
    x = 332,104,764.53/20,624.72
  6. Step 6: Final answer
    x = 16,102.27

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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.