Home / 28,592.09-42,892.32-10,829.28

Finding the Fourth Proportional to 28,592.09, 42,892.32 and 10,829.28

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Solution

The fourth proportional to 28,592.09, 42,892.32 and 10,829.28 is: 16,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.09 : 42,892.32 = 10,829.28 : x
  2. Step 2: Convert to fraction form
    28,592.09/42,892.32 = 10,829.28/x
  3. Step 3: Cross multiply
    28,592.09x = 42,892.32 × 10,829.28
  4. Step 4: Simplify right side
    28,592.09x = 464,492,943.13
  5. Step 5: Solve for x
    x = 464,492,943.13/28,592.09
  6. Step 6: Final answer
    x = 16,245.51

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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.