Home / 38,220.84-57,336.36-11,928.24

Finding the Fourth Proportional to 38,220.84, 57,336.36 and 11,928.24

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Solution

The fourth proportional to 38,220.84, 57,336.36 and 11,928.24 is: 17,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.84 : 57,336.36 = 11,928.24 : x
  2. Step 2: Convert to fraction form
    38,220.84/57,336.36 = 11,928.24/x
  3. Step 3: Cross multiply
    38,220.84x = 57,336.36 × 11,928.24
  4. Step 4: Simplify right side
    38,220.84x = 683,921,862.81
  5. Step 5: Solve for x
    x = 683,921,862.81/38,220.84
  6. Step 6: Final answer
    x = 17,893.95

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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.