Home / 38,459.49-57,645.09-17,639.25

Finding the Fourth Proportional to 38,459.49, 57,645.09 and 17,639.25

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Solution

The fourth proportional to 38,459.49, 57,645.09 and 17,639.25 is: 26,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.49 : 57,645.09 = 17,639.25 : x
  2. Step 2: Convert to fraction form
    38,459.49/57,645.09 = 17,639.25/x
  3. Step 3: Cross multiply
    38,459.49x = 57,645.09 × 17,639.25
  4. Step 4: Simplify right side
    38,459.49x = 1,016,816,153.78
  5. Step 5: Solve for x
    x = 1,016,816,153.78/38,459.49
  6. Step 6: Final answer
    x = 26,438.63

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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.