Home / 28,255.34-42,392.16-17,022.86

Finding the Fourth Proportional to 28,255.34, 42,392.16 and 17,022.86

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Solution

The fourth proportional to 28,255.34, 42,392.16 and 17,022.86 is: 25,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255.34 : 42,392.16 = 17,022.86 : x
  2. Step 2: Convert to fraction form
    28,255.34/42,392.16 = 17,022.86/x
  3. Step 3: Cross multiply
    28,255.34x = 42,392.16 × 17,022.86
  4. Step 4: Simplify right side
    28,255.34x = 721,635,804.78
  5. Step 5: Solve for x
    x = 721,635,804.78/28,255.34
  6. Step 6: Final answer
    x = 25,539.80

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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.