Home / 28,150.41-38,835.48-16,211.19

Finding the Fourth Proportional to 28,150.41, 38,835.48 and 16,211.19

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Solution

The fourth proportional to 28,150.41, 38,835.48 and 16,211.19 is: 22,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.41 : 38,835.48 = 16,211.19 : x
  2. Step 2: Convert to fraction form
    28,150.41/38,835.48 = 16,211.19/x
  3. Step 3: Cross multiply
    28,150.41x = 38,835.48 × 16,211.19
  4. Step 4: Simplify right side
    28,150.41x = 629,569,345.02
  5. Step 5: Solve for x
    x = 629,569,345.02/28,150.41
  6. Step 6: Final answer
    x = 22,364.48

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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.