Home / 28,004.98-42,011.56-10,236.52

Finding the Fourth Proportional to 28,004.98, 42,011.56 and 10,236.52

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Solution

The fourth proportional to 28,004.98, 42,011.56 and 10,236.52 is: 15,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.98 : 42,011.56 = 10,236.52 : x
  2. Step 2: Convert to fraction form
    28,004.98/42,011.56 = 10,236.52/x
  3. Step 3: Cross multiply
    28,004.98x = 42,011.56 × 10,236.52
  4. Step 4: Simplify right side
    28,004.98x = 430,052,174.17
  5. Step 5: Solve for x
    x = 430,052,174.17/28,004.98
  6. Step 6: Final answer
    x = 15,356.27

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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.