Home / 28,417.97-42,564.81-23,431.61

Finding the Fourth Proportional to 28,417.97, 42,564.81 and 23,431.61

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Solution

The fourth proportional to 28,417.97, 42,564.81 and 23,431.61 is: 35,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.97 : 42,564.81 = 23,431.61 : x
  2. Step 2: Convert to fraction form
    28,417.97/42,564.81 = 23,431.61/x
  3. Step 3: Cross multiply
    28,417.97x = 42,564.81 × 23,431.61
  4. Step 4: Simplify right side
    28,417.97x = 997,362,027.64
  5. Step 5: Solve for x
    x = 997,362,027.64/28,417.97
  6. Step 6: Final answer
    x = 35,096.17

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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.