Home / 28,669.01-42,992.57-13,673.48

Finding the Fourth Proportional to 28,669.01, 42,992.57 and 13,673.48

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Solution

The fourth proportional to 28,669.01, 42,992.57 and 13,673.48 is: 20,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.01 : 42,992.57 = 13,673.48 : x
  2. Step 2: Convert to fraction form
    28,669.01/42,992.57 = 13,673.48/x
  3. Step 3: Cross multiply
    28,669.01x = 42,992.57 × 13,673.48
  4. Step 4: Simplify right side
    28,669.01x = 587,857,865.26
  5. Step 5: Solve for x
    x = 587,857,865.26/28,669.01
  6. Step 6: Final answer
    x = 20,505.00

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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.