Home / 28,056.50-38,717.97-15,481.25

Finding the Fourth Proportional to 28,056.50, 38,717.97 and 15,481.25

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Solution

The fourth proportional to 28,056.50, 38,717.97 and 15,481.25 is: 21,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.50 : 38,717.97 = 15,481.25 : x
  2. Step 2: Convert to fraction form
    28,056.50/38,717.97 = 15,481.25/x
  3. Step 3: Cross multiply
    28,056.50x = 38,717.97 × 15,481.25
  4. Step 4: Simplify right side
    28,056.50x = 599,402,573.06
  5. Step 5: Solve for x
    x = 599,402,573.06/28,056.50
  6. Step 6: Final answer
    x = 21,364.13

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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.