Home / 28,616.00-42,916.19-11,973.33

Finding the Fourth Proportional to 28,616.00, 42,916.19 and 11,973.33

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Solution

The fourth proportional to 28,616.00, 42,916.19 and 11,973.33 is: 17,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.00 : 42,916.19 = 11,973.33 : x
  2. Step 2: Convert to fraction form
    28,616.00/42,916.19 = 11,973.33/x
  3. Step 3: Cross multiply
    28,616.00x = 42,916.19 × 11,973.33
  4. Step 4: Simplify right side
    28,616.00x = 513,849,645.35
  5. Step 5: Solve for x
    x = 513,849,645.35/28,616.00
  6. Step 6: Final answer
    x = 17,956.73

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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.