Home / 28,430.57-39,233.75-16,495.96

Finding the Fourth Proportional to 28,430.57, 39,233.75 and 16,495.96

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Solution

The fourth proportional to 28,430.57, 39,233.75 and 16,495.96 is: 22,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430.57 : 39,233.75 = 16,495.96 : x
  2. Step 2: Convert to fraction form
    28,430.57/39,233.75 = 16,495.96/x
  3. Step 3: Cross multiply
    28,430.57x = 39,233.75 × 16,495.96
  4. Step 4: Simplify right side
    28,430.57x = 647,198,190.09
  5. Step 5: Solve for x
    x = 647,198,190.09/28,430.57
  6. Step 6: Final answer
    x = 22,764.17

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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.