Home / 28,051.11-42,075.86-8,329.64

Finding the Fourth Proportional to 28,051.11, 42,075.86 and 8,329.64

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Solution

The fourth proportional to 28,051.11, 42,075.86 and 8,329.64 is: 12,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.11 : 42,075.86 = 8,329.64 : x
  2. Step 2: Convert to fraction form
    28,051.11/42,075.86 = 8,329.64/x
  3. Step 3: Cross multiply
    28,051.11x = 42,075.86 × 8,329.64
  4. Step 4: Simplify right side
    28,051.11x = 350,476,514.46
  5. Step 5: Solve for x
    x = 350,476,514.46/28,051.11
  6. Step 6: Final answer
    x = 12,494.21

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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.