Home / 28,147.35-38,837.95-16,047.60

Finding the Fourth Proportional to 28,147.35, 38,837.95 and 16,047.60

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Solution

The fourth proportional to 28,147.35, 38,837.95 and 16,047.60 is: 22,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.35 : 38,837.95 = 16,047.60 : x
  2. Step 2: Convert to fraction form
    28,147.35/38,837.95 = 16,047.60/x
  3. Step 3: Cross multiply
    28,147.35x = 38,837.95 × 16,047.60
  4. Step 4: Simplify right side
    28,147.35x = 623,255,806.18
  5. Step 5: Solve for x
    x = 623,255,806.18/28,147.35
  6. Step 6: Final answer
    x = 22,142.61

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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.