Home / 28,534.26-42,738.98-14,470.05

Finding the Fourth Proportional to 28,534.26, 42,738.98 and 14,470.05

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Solution

The fourth proportional to 28,534.26, 42,738.98 and 14,470.05 is: 21,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.26 : 42,738.98 = 14,470.05 : x
  2. Step 2: Convert to fraction form
    28,534.26/42,738.98 = 14,470.05/x
  3. Step 3: Cross multiply
    28,534.26x = 42,738.98 × 14,470.05
  4. Step 4: Simplify right side
    28,534.26x = 618,435,105.20
  5. Step 5: Solve for x
    x = 618,435,105.20/28,534.26
  6. Step 6: Final answer
    x = 21,673.42

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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.