Home / 28,247.43-38,999.71-17,503.70

Finding the Fourth Proportional to 28,247.43, 38,999.71 and 17,503.70

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Solution

The fourth proportional to 28,247.43, 38,999.71 and 17,503.70 is: 24,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.43 : 38,999.71 = 17,503.70 : x
  2. Step 2: Convert to fraction form
    28,247.43/38,999.71 = 17,503.70/x
  3. Step 3: Cross multiply
    28,247.43x = 38,999.71 × 17,503.70
  4. Step 4: Simplify right side
    28,247.43x = 682,639,365.19
  5. Step 5: Solve for x
    x = 682,639,365.19/28,247.43
  6. Step 6: Final answer
    x = 24,166.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.