Home / 28,511.84-42,774.73-20,094.77

Finding the Fourth Proportional to 28,511.84, 42,774.73 and 20,094.77

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Solution

The fourth proportional to 28,511.84, 42,774.73 and 20,094.77 is: 30,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511.84 : 42,774.73 = 20,094.77 : x
  2. Step 2: Convert to fraction form
    28,511.84/42,774.73 = 20,094.77/x
  3. Step 3: Cross multiply
    28,511.84x = 42,774.73 × 20,094.77
  4. Step 4: Simplify right side
    28,511.84x = 859,548,361.16
  5. Step 5: Solve for x
    x = 859,548,361.16/28,511.84
  6. Step 6: Final answer
    x = 30,147.07

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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.