Home / 28,190.34-42,296.58-11,558.34

Finding the Fourth Proportional to 28,190.34, 42,296.58 and 11,558.34

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Solution

The fourth proportional to 28,190.34, 42,296.58 and 11,558.34 is: 17,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.34 : 42,296.58 = 11,558.34 : x
  2. Step 2: Convert to fraction form
    28,190.34/42,296.58 = 11,558.34/x
  3. Step 3: Cross multiply
    28,190.34x = 42,296.58 × 11,558.34
  4. Step 4: Simplify right side
    28,190.34x = 488,878,252.48
  5. Step 5: Solve for x
    x = 488,878,252.48/28,190.34
  6. Step 6: Final answer
    x = 17,342.05

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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.