Home / 27,602.25-38,089.96-15,665.37

Finding the Fourth Proportional to 27,602.25, 38,089.96 and 15,665.37

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Solution

The fourth proportional to 27,602.25, 38,089.96 and 15,665.37 is: 21,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602.25 : 38,089.96 = 15,665.37 : x
  2. Step 2: Convert to fraction form
    27,602.25/38,089.96 = 15,665.37/x
  3. Step 3: Cross multiply
    27,602.25x = 38,089.96 × 15,665.37
  4. Step 4: Simplify right side
    27,602.25x = 596,693,316.69
  5. Step 5: Solve for x
    x = 596,693,316.69/27,602.25
  6. Step 6: Final answer
    x = 21,617.56

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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.