Home / 28,569.06-42,858.81-8,846.28

Finding the Fourth Proportional to 28,569.06, 42,858.81 and 8,846.28

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Solution

The fourth proportional to 28,569.06, 42,858.81 and 8,846.28 is: 13,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.06 : 42,858.81 = 8,846.28 : x
  2. Step 2: Convert to fraction form
    28,569.06/42,858.81 = 8,846.28/x
  3. Step 3: Cross multiply
    28,569.06x = 42,858.81 × 8,846.28
  4. Step 4: Simplify right side
    28,569.06x = 379,141,033.73
  5. Step 5: Solve for x
    x = 379,141,033.73/28,569.06
  6. Step 6: Final answer
    x = 13,271.04

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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.