Home / 28,503.26-42,773.24-15,364.79

Finding the Fourth Proportional to 28,503.26, 42,773.24 and 15,364.79

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Solution

The fourth proportional to 28,503.26, 42,773.24 and 15,364.79 is: 23,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.26 : 42,773.24 = 15,364.79 : x
  2. Step 2: Convert to fraction form
    28,503.26/42,773.24 = 15,364.79/x
  3. Step 3: Cross multiply
    28,503.26x = 42,773.24 × 15,364.79
  4. Step 4: Simplify right side
    28,503.26x = 657,201,636.35
  5. Step 5: Solve for x
    x = 657,201,636.35/28,503.26
  6. Step 6: Final answer
    x = 23,057.07

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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.