Home / 28,665.38-39,558.23-16,090.13

Finding the Fourth Proportional to 28,665.38, 39,558.23 and 16,090.13

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Solution

The fourth proportional to 28,665.38, 39,558.23 and 16,090.13 is: 22,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.38 : 39,558.23 = 16,090.13 : x
  2. Step 2: Convert to fraction form
    28,665.38/39,558.23 = 16,090.13/x
  3. Step 3: Cross multiply
    28,665.38x = 39,558.23 × 16,090.13
  4. Step 4: Simplify right side
    28,665.38x = 636,496,785.03
  5. Step 5: Solve for x
    x = 636,496,785.03/28,665.38
  6. Step 6: Final answer
    x = 22,204.38

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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.