Home / 28,176.42-38,883.53-15,255.83

Finding the Fourth Proportional to 28,176.42, 38,883.53 and 15,255.83

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Solution

The fourth proportional to 28,176.42, 38,883.53 and 15,255.83 is: 21,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.42 : 38,883.53 = 15,255.83 : x
  2. Step 2: Convert to fraction form
    28,176.42/38,883.53 = 15,255.83/x
  3. Step 3: Cross multiply
    28,176.42x = 38,883.53 × 15,255.83
  4. Step 4: Simplify right side
    28,176.42x = 593,200,252.78
  5. Step 5: Solve for x
    x = 593,200,252.78/28,176.42
  6. Step 6: Final answer
    x = 21,053.07

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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.