Home / 28,064.79-42,097.23-8,343.54

Finding the Fourth Proportional to 28,064.79, 42,097.23 and 8,343.54

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Solution

The fourth proportional to 28,064.79, 42,097.23 and 8,343.54 is: 12,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.79 : 42,097.23 = 8,343.54 : x
  2. Step 2: Convert to fraction form
    28,064.79/42,097.23 = 8,343.54/x
  3. Step 3: Cross multiply
    28,064.79x = 42,097.23 × 8,343.54
  4. Step 4: Simplify right side
    28,064.79x = 351,239,922.39
  5. Step 5: Solve for x
    x = 351,239,922.39/28,064.79
  6. Step 6: Final answer
    x = 12,515.32

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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.