Home / 28,175.50-42,247.44-19,300.86

Finding the Fourth Proportional to 28,175.50, 42,247.44 and 19,300.86

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Solution

The fourth proportional to 28,175.50, 42,247.44 and 19,300.86 is: 28,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.50 : 42,247.44 = 19,300.86 : x
  2. Step 2: Convert to fraction form
    28,175.50/42,247.44 = 19,300.86/x
  3. Step 3: Cross multiply
    28,175.50x = 42,247.44 × 19,300.86
  4. Step 4: Simplify right side
    28,175.50x = 815,411,924.80
  5. Step 5: Solve for x
    x = 815,411,924.80/28,175.50
  6. Step 6: Final answer
    x = 28,940.46

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1.5x scale

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.