Home / 28,998.45-40,037.14-22,272.05

Finding the Fourth Proportional to 28,998.45, 40,037.14 and 22,272.05

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Solution

The fourth proportional to 28,998.45, 40,037.14 and 22,272.05 is: 30,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.45 : 40,037.14 = 22,272.05 : x
  2. Step 2: Convert to fraction form
    28,998.45/40,037.14 = 22,272.05/x
  3. Step 3: Cross multiply
    28,998.45x = 40,037.14 × 22,272.05
  4. Step 4: Simplify right side
    28,998.45x = 891,709,311.87
  5. Step 5: Solve for x
    x = 891,709,311.87/28,998.45
  6. Step 6: Final answer
    x = 30,750.24

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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.