Home / 28,100.03-42,122.63-11,228.00

Finding the Fourth Proportional to 28,100.03, 42,122.63 and 11,228.00

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Solution

The fourth proportional to 28,100.03, 42,122.63 and 11,228.00 is: 16,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.03 : 42,122.63 = 11,228.00 : x
  2. Step 2: Convert to fraction form
    28,100.03/42,122.63 = 11,228.00/x
  3. Step 3: Cross multiply
    28,100.03x = 42,122.63 × 11,228.00
  4. Step 4: Simplify right side
    28,100.03x = 472,952,944.04
  5. Step 5: Solve for x
    x = 472,952,944.04/28,100.03
  6. Step 6: Final answer
    x = 16,831.05

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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.