Home / 28,342.84-42,514.32-7,566.28

Finding the Fourth Proportional to 28,342.84, 42,514.32 and 7,566.28

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Solution

The fourth proportional to 28,342.84, 42,514.32 and 7,566.28 is: 11,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.84 : 42,514.32 = 7,566.28 : x
  2. Step 2: Convert to fraction form
    28,342.84/42,514.32 = 7,566.28/x
  3. Step 3: Cross multiply
    28,342.84x = 42,514.32 × 7,566.28
  4. Step 4: Simplify right side
    28,342.84x = 321,675,249.13
  5. Step 5: Solve for x
    x = 321,675,249.13/28,342.84
  6. Step 6: Final answer
    x = 11,349.44

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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.