Home / 28,254.69-42,357.78-11,604.33

Finding the Fourth Proportional to 28,254.69, 42,357.78 and 11,604.33

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Solution

The fourth proportional to 28,254.69, 42,357.78 and 11,604.33 is: 17,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.69 : 42,357.78 = 11,604.33 : x
  2. Step 2: Convert to fraction form
    28,254.69/42,357.78 = 11,604.33/x
  3. Step 3: Cross multiply
    28,254.69x = 42,357.78 × 11,604.33
  4. Step 4: Simplify right side
    28,254.69x = 491,533,657.19
  5. Step 5: Solve for x
    x = 491,533,657.19/28,254.69
  6. Step 6: Final answer
    x = 17,396.53

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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.