Home / 28,064.40-42,096.60-16,837.80

Finding the Fourth Proportional to 28,064.40, 42,096.60 and 16,837.80

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Solution

The fourth proportional to 28,064.40, 42,096.60 and 16,837.80 is: 25,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.40 : 42,096.60 = 16,837.80 : x
  2. Step 2: Convert to fraction form
    28,064.40/42,096.60 = 16,837.80/x
  3. Step 3: Cross multiply
    28,064.40x = 42,096.60 × 16,837.80
  4. Step 4: Simplify right side
    28,064.40x = 708,814,131.48
  5. Step 5: Solve for x
    x = 708,814,131.48/28,064.40
  6. Step 6: Final answer
    x = 25,256.70

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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.