Home / 28,075.62-42,115.74-8,354.22

Finding the Fourth Proportional to 28,075.62, 42,115.74 and 8,354.22

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Solution

The fourth proportional to 28,075.62, 42,115.74 and 8,354.22 is: 12,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.62 : 42,115.74 = 8,354.22 : x
  2. Step 2: Convert to fraction form
    28,075.62/42,115.74 = 8,354.22/x
  3. Step 3: Cross multiply
    28,075.62x = 42,115.74 × 8,354.22
  4. Step 4: Simplify right side
    28,075.62x = 351,844,157.42
  5. Step 5: Solve for x
    x = 351,844,157.42/28,075.62
  6. Step 6: Final answer
    x = 12,532.02

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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.