Home / 28,189.04-38,899.87-16,090.15

Finding the Fourth Proportional to 28,189.04, 38,899.87 and 16,090.15

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Solution

The fourth proportional to 28,189.04, 38,899.87 and 16,090.15 is: 22,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.04 : 38,899.87 = 16,090.15 : x
  2. Step 2: Convert to fraction form
    28,189.04/38,899.87 = 16,090.15/x
  3. Step 3: Cross multiply
    28,189.04x = 38,899.87 × 16,090.15
  4. Step 4: Simplify right side
    28,189.04x = 625,904,683.47
  5. Step 5: Solve for x
    x = 625,904,683.47/28,189.04
  6. Step 6: Final answer
    x = 22,203.83

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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.