Home / 28,026.61-42,031.69-10,492.33

Finding the Fourth Proportional to 28,026.61, 42,031.69 and 10,492.33

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Solution

The fourth proportional to 28,026.61, 42,031.69 and 10,492.33 is: 15,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.61 : 42,031.69 = 10,492.33 : x
  2. Step 2: Convert to fraction form
    28,026.61/42,031.69 = 10,492.33/x
  3. Step 3: Cross multiply
    28,026.61x = 42,031.69 × 10,492.33
  4. Step 4: Simplify right side
    28,026.61x = 441,010,361.94
  5. Step 5: Solve for x
    x = 441,010,361.94/28,026.61
  6. Step 6: Final answer
    x = 15,735.42

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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.