Home / 28,035.70-38,690.16-16,101.46

Finding the Fourth Proportional to 28,035.70, 38,690.16 and 16,101.46

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Solution

The fourth proportional to 28,035.70, 38,690.16 and 16,101.46 is: 22,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.70 : 38,690.16 = 16,101.46 : x
  2. Step 2: Convert to fraction form
    28,035.70/38,690.16 = 16,101.46/x
  3. Step 3: Cross multiply
    28,035.70x = 38,690.16 × 16,101.46
  4. Step 4: Simplify right side
    28,035.70x = 622,968,063.63
  5. Step 5: Solve for x
    x = 622,968,063.63/28,035.70
  6. Step 6: Final answer
    x = 22,220.53

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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.