Home / 28,584.96-39,446.76-15,838.02

Finding the Fourth Proportional to 28,584.96, 39,446.76 and 15,838.02

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Solution

The fourth proportional to 28,584.96, 39,446.76 and 15,838.02 is: 21,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.96 : 39,446.76 = 15,838.02 : x
  2. Step 2: Convert to fraction form
    28,584.96/39,446.76 = 15,838.02/x
  3. Step 3: Cross multiply
    28,584.96x = 39,446.76 × 15,838.02
  4. Step 4: Simplify right side
    28,584.96x = 624,758,573.82
  5. Step 5: Solve for x
    x = 624,758,573.82/28,584.96
  6. Step 6: Final answer
    x = 21,856.20

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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.