Home / 26,870.82-37,078.75-15,538.59

Finding the Fourth Proportional to 26,870.82, 37,078.75 and 15,538.59

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Solution

The fourth proportional to 26,870.82, 37,078.75 and 15,538.59 is: 21,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.82 : 37,078.75 = 15,538.59 : x
  2. Step 2: Convert to fraction form
    26,870.82/37,078.75 = 15,538.59/x
  3. Step 3: Cross multiply
    26,870.82x = 37,078.75 × 15,538.59
  4. Step 4: Simplify right side
    26,870.82x = 576,151,493.96
  5. Step 5: Solve for x
    x = 576,151,493.96/26,870.82
  6. Step 6: Final answer
    x = 21,441.53

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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.