Home / 18,436.95-27,657.72-5,289.57

Finding the Fourth Proportional to 18,436.95, 27,657.72 and 5,289.57

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Solution

The fourth proportional to 18,436.95, 27,657.72 and 5,289.57 is: 7,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.95 : 27,657.72 = 5,289.57 : x
  2. Step 2: Convert to fraction form
    18,436.95/27,657.72 = 5,289.57/x
  3. Step 3: Cross multiply
    18,436.95x = 27,657.72 × 5,289.57
  4. Step 4: Simplify right side
    18,436.95x = 146,297,445.98
  5. Step 5: Solve for x
    x = 146,297,445.98/18,436.95
  6. Step 6: Final answer
    x = 7,935.01

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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.