Home / 28,126.44-42,168.84-17,030.52

Finding the Fourth Proportional to 28,126.44, 42,168.84 and 17,030.52

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Solution

The fourth proportional to 28,126.44, 42,168.84 and 17,030.52 is: 25,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.44 : 42,168.84 = 17,030.52 : x
  2. Step 2: Convert to fraction form
    28,126.44/42,168.84 = 17,030.52/x
  3. Step 3: Cross multiply
    28,126.44x = 42,168.84 × 17,030.52
  4. Step 4: Simplify right side
    28,126.44x = 718,157,273.00
  5. Step 5: Solve for x
    x = 718,157,273.00/28,126.44
  6. Step 6: Final answer
    x = 25,533.17

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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.