Home / 28,902.87-39,887.91-16,328.43

Finding the Fourth Proportional to 28,902.87, 39,887.91 and 16,328.43

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Solution

The fourth proportional to 28,902.87, 39,887.91 and 16,328.43 is: 22,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.87 : 39,887.91 = 16,328.43 : x
  2. Step 2: Convert to fraction form
    28,902.87/39,887.91 = 16,328.43/x
  3. Step 3: Cross multiply
    28,902.87x = 39,887.91 × 16,328.43
  4. Step 4: Simplify right side
    28,902.87x = 651,306,946.28
  5. Step 5: Solve for x
    x = 651,306,946.28/28,902.87
  6. Step 6: Final answer
    x = 22,534.33

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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.