Home / 28,430.57-39,233.75-16,495.97

Finding the Fourth Proportional to 28,430.57, 39,233.75 and 16,495.97

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Solution

The fourth proportional to 28,430.57, 39,233.75 and 16,495.97 is: 22,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430.57 : 39,233.75 = 16,495.97 : x
  2. Step 2: Convert to fraction form
    28,430.57/39,233.75 = 16,495.97/x
  3. Step 3: Cross multiply
    28,430.57x = 39,233.75 × 16,495.97
  4. Step 4: Simplify right side
    28,430.57x = 647,198,484.34
  5. Step 5: Solve for x
    x = 647,198,484.34/28,430.57
  6. Step 6: Final answer
    x = 22,764.18

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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.