Home / 28,044.42-42,038.24-18,189.96

Finding the Fourth Proportional to 28,044.42, 42,038.24 and 18,189.96

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Solution

The fourth proportional to 28,044.42, 42,038.24 and 18,189.96 is: 27,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.42 : 42,038.24 = 18,189.96 : x
  2. Step 2: Convert to fraction form
    28,044.42/42,038.24 = 18,189.96/x
  3. Step 3: Cross multiply
    28,044.42x = 42,038.24 × 18,189.96
  4. Step 4: Simplify right side
    28,044.42x = 764,673,904.07
  5. Step 5: Solve for x
    x = 764,673,904.07/28,044.42
  6. Step 6: Final answer
    x = 27,266.53

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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.