Home / 28,338.14-39,090.30-17,004.02

Finding the Fourth Proportional to 28,338.14, 39,090.30 and 17,004.02

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Solution

The fourth proportional to 28,338.14, 39,090.30 and 17,004.02 is: 23,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.14 : 39,090.30 = 17,004.02 : x
  2. Step 2: Convert to fraction form
    28,338.14/39,090.30 = 17,004.02/x
  3. Step 3: Cross multiply
    28,338.14x = 39,090.30 × 17,004.02
  4. Step 4: Simplify right side
    28,338.14x = 664,692,047.55
  5. Step 5: Solve for x
    x = 664,692,047.55/28,338.14
  6. Step 6: Final answer
    x = 23,455.74

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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.