Home / 28,875.96-43,288.02-10,395

Finding the Fourth Proportional to 28,875.96, 43,288.02 and 10,395

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Solution

The fourth proportional to 28,875.96, 43,288.02 and 10,395 is: 15,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.96 : 43,288.02 = 10,395 : x
  2. Step 2: Convert to fraction form
    28,875.96/43,288.02 = 10,395/x
  3. Step 3: Cross multiply
    28,875.96x = 43,288.02 × 10,395
  4. Step 4: Simplify right side
    28,875.96x = 449,978,967.90
  5. Step 5: Solve for x
    x = 449,978,967.90/28,875.96
  6. Step 6: Final answer
    x = 15,583.17

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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.