Home / 27,913.36-38,493.84-18,336.28

Finding the Fourth Proportional to 27,913.36, 38,493.84 and 18,336.28

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Solution

The fourth proportional to 27,913.36, 38,493.84 and 18,336.28 is: 25,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.36 : 38,493.84 = 18,336.28 : x
  2. Step 2: Convert to fraction form
    27,913.36/38,493.84 = 18,336.28/x
  3. Step 3: Cross multiply
    27,913.36x = 38,493.84 × 18,336.28
  4. Step 4: Simplify right side
    27,913.36x = 705,833,828.52
  5. Step 5: Solve for x
    x = 705,833,828.52/27,913.36
  6. Step 6: Final answer
    x = 25,286.59

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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.