Home / 28,990.92-43,495.05-16,670.28

Finding the Fourth Proportional to 28,990.92, 43,495.05 and 16,670.28

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Solution

The fourth proportional to 28,990.92, 43,495.05 and 16,670.28 is: 25,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.92 : 43,495.05 = 16,670.28 : x
  2. Step 2: Convert to fraction form
    28,990.92/43,495.05 = 16,670.28/x
  3. Step 3: Cross multiply
    28,990.92x = 43,495.05 × 16,670.28
  4. Step 4: Simplify right side
    28,990.92x = 725,074,662.11
  5. Step 5: Solve for x
    x = 725,074,662.11/28,990.92
  6. Step 6: Final answer
    x = 25,010.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.