Home / 18,835.53-28,266.84-15,181.89

Finding the Fourth Proportional to 18,835.53, 28,266.84 and 15,181.89

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Solution

The fourth proportional to 18,835.53, 28,266.84 and 15,181.89 is: 22,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.53 : 28,266.84 = 15,181.89 : x
  2. Step 2: Convert to fraction form
    18,835.53/28,266.84 = 15,181.89/x
  3. Step 3: Cross multiply
    18,835.53x = 28,266.84 × 15,181.89
  4. Step 4: Simplify right side
    18,835.53x = 429,144,055.53
  5. Step 5: Solve for x
    x = 429,144,055.53/18,835.53
  6. Step 6: Final answer
    x = 22,783.75

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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.