Home / 38,628.79-57,980.65-18,652.37

Finding the Fourth Proportional to 38,628.79, 57,980.65 and 18,652.37

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Solution

The fourth proportional to 38,628.79, 57,980.65 and 18,652.37 is: 27,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.79 : 57,980.65 = 18,652.37 : x
  2. Step 2: Convert to fraction form
    38,628.79/57,980.65 = 18,652.37/x
  3. Step 3: Cross multiply
    38,628.79x = 57,980.65 × 18,652.37
  4. Step 4: Simplify right side
    38,628.79x = 1,081,476,536.64
  5. Step 5: Solve for x
    x = 1,081,476,536.64/38,628.79
  6. Step 6: Final answer
    x = 27,996.65

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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.