Home / 18,276.98-27,415.62-15,627.32

Finding the Fourth Proportional to 18,276.98, 27,415.62 and 15,627.32

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Solution

The fourth proportional to 18,276.98, 27,415.62 and 15,627.32 is: 23,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.98 : 27,415.62 = 15,627.32 : x
  2. Step 2: Convert to fraction form
    18,276.98/27,415.62 = 15,627.32/x
  3. Step 3: Cross multiply
    18,276.98x = 27,415.62 × 15,627.32
  4. Step 4: Simplify right side
    18,276.98x = 428,432,666.74
  5. Step 5: Solve for x
    x = 428,432,666.74/18,276.98
  6. Step 6: Final answer
    x = 23,441.11

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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.