Home / 28,622.16-42,923.52-11,087.28

Finding the Fourth Proportional to 28,622.16, 42,923.52 and 11,087.28

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Solution

The fourth proportional to 28,622.16, 42,923.52 and 11,087.28 is: 16,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.16 : 42,923.52 = 11,087.28 : x
  2. Step 2: Convert to fraction form
    28,622.16/42,923.52 = 11,087.28/x
  3. Step 3: Cross multiply
    28,622.16x = 42,923.52 × 11,087.28
  4. Step 4: Simplify right side
    28,622.16x = 475,905,084.83
  5. Step 5: Solve for x
    x = 475,905,084.83/28,622.16
  6. Step 6: Final answer
    x = 16,627.15

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1.5x scale

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.