Home / 28,882.78-43,315.35-12,242.50

Finding the Fourth Proportional to 28,882.78, 43,315.35 and 12,242.50

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Solution

The fourth proportional to 28,882.78, 43,315.35 and 12,242.50 is: 18,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.78 : 43,315.35 = 12,242.50 : x
  2. Step 2: Convert to fraction form
    28,882.78/43,315.35 = 12,242.50/x
  3. Step 3: Cross multiply
    28,882.78x = 43,315.35 × 12,242.50
  4. Step 4: Simplify right side
    28,882.78x = 530,288,172.38
  5. Step 5: Solve for x
    x = 530,288,172.38/28,882.78
  6. Step 6: Final answer
    x = 18,360.01

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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.