Home / 20,927.35-31,350.93-20,223.87

Finding the Fourth Proportional to 20,927.35, 31,350.93 and 20,223.87

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Solution

The fourth proportional to 20,927.35, 31,350.93 and 20,223.87 is: 30,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927.35 : 31,350.93 = 20,223.87 : x
  2. Step 2: Convert to fraction form
    20,927.35/31,350.93 = 20,223.87/x
  3. Step 3: Cross multiply
    20,927.35x = 31,350.93 × 20,223.87
  4. Step 4: Simplify right side
    20,927.35x = 634,037,132.70
  5. Step 5: Solve for x
    x = 634,037,132.70/20,927.35
  6. Step 6: Final answer
    x = 30,297.06

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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.