Home / 28,586.31-42,533.47-27,872.07

Finding the Fourth Proportional to 28,586.31, 42,533.47 and 27,872.07

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Solution

The fourth proportional to 28,586.31, 42,533.47 and 27,872.07 is: 41,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.31 : 42,533.47 = 27,872.07 : x
  2. Step 2: Convert to fraction form
    28,586.31/42,533.47 = 27,872.07/x
  3. Step 3: Cross multiply
    28,586.31x = 42,533.47 × 27,872.07
  4. Step 4: Simplify right side
    28,586.31x = 1,185,495,713.82
  5. Step 5: Solve for x
    x = 1,185,495,713.82/28,586.31
  6. Step 6: Final answer
    x = 41,470.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.