Home / 28,234.40-42,324.60-10,460.30

Finding the Fourth Proportional to 28,234.40, 42,324.60 and 10,460.30

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Solution

The fourth proportional to 28,234.40, 42,324.60 and 10,460.30 is: 15,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.40 : 42,324.60 = 10,460.30 : x
  2. Step 2: Convert to fraction form
    28,234.40/42,324.60 = 10,460.30/x
  3. Step 3: Cross multiply
    28,234.40x = 42,324.60 × 10,460.30
  4. Step 4: Simplify right side
    28,234.40x = 442,728,013.38
  5. Step 5: Solve for x
    x = 442,728,013.38/28,234.40
  6. Step 6: Final answer
    x = 15,680.45

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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.