Home / 20,028.98-30,043.57-5,237.93

Finding the Fourth Proportional to 20,028.98, 30,043.57 and 5,237.93

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Solution

The fourth proportional to 20,028.98, 30,043.57 and 5,237.93 is: 7,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.98 : 30,043.57 = 5,237.93 : x
  2. Step 2: Convert to fraction form
    20,028.98/30,043.57 = 5,237.93/x
  3. Step 3: Cross multiply
    20,028.98x = 30,043.57 × 5,237.93
  4. Step 4: Simplify right side
    20,028.98x = 157,366,116.61
  5. Step 5: Solve for x
    x = 157,366,116.61/20,028.98
  6. Step 6: Final answer
    x = 7,856.92

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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.