Home / 18,583.32-27,880.56-5,435.76

Finding the Fourth Proportional to 18,583.32, 27,880.56 and 5,435.76

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Solution

The fourth proportional to 18,583.32, 27,880.56 and 5,435.76 is: 8,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.32 : 27,880.56 = 5,435.76 : x
  2. Step 2: Convert to fraction form
    18,583.32/27,880.56 = 5,435.76/x
  3. Step 3: Cross multiply
    18,583.32x = 27,880.56 × 5,435.76
  4. Step 4: Simplify right side
    18,583.32x = 151,552,032.83
  5. Step 5: Solve for x
    x = 151,552,032.83/18,583.32
  6. Step 6: Final answer
    x = 8,155.27

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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.