Home / 28,916.16-43,347.60-10,185.99

Finding the Fourth Proportional to 28,916.16, 43,347.60 and 10,185.99

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Solution

The fourth proportional to 28,916.16, 43,347.60 and 10,185.99 is: 15,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.16 : 43,347.60 = 10,185.99 : x
  2. Step 2: Convert to fraction form
    28,916.16/43,347.60 = 10,185.99/x
  3. Step 3: Cross multiply
    28,916.16x = 43,347.60 × 10,185.99
  4. Step 4: Simplify right side
    28,916.16x = 441,538,220.12
  5. Step 5: Solve for x
    x = 441,538,220.12/28,916.16
  6. Step 6: Final answer
    x = 15,269.60

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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.