Home / 28,052.80-42,075.94-8,329.32

Finding the Fourth Proportional to 28,052.80, 42,075.94 and 8,329.32

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Solution

The fourth proportional to 28,052.80, 42,075.94 and 8,329.32 is: 12,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.80 : 42,075.94 = 8,329.32 : x
  2. Step 2: Convert to fraction form
    28,052.80/42,075.94 = 8,329.32/x
  3. Step 3: Cross multiply
    28,052.80x = 42,075.94 × 8,329.32
  4. Step 4: Simplify right side
    28,052.80x = 350,463,968.56
  5. Step 5: Solve for x
    x = 350,463,968.56/28,052.80
  6. Step 6: Final answer
    x = 12,493.01

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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.