Home / 28,177.44-38,884.87-15,602.19

Finding the Fourth Proportional to 28,177.44, 38,884.87 and 15,602.19

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Solution

The fourth proportional to 28,177.44, 38,884.87 and 15,602.19 is: 21,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.44 : 38,884.87 = 15,602.19 : x
  2. Step 2: Convert to fraction form
    28,177.44/38,884.87 = 15,602.19/x
  3. Step 3: Cross multiply
    28,177.44x = 38,884.87 × 15,602.19
  4. Step 4: Simplify right side
    28,177.44x = 606,689,051.85
  5. Step 5: Solve for x
    x = 606,689,051.85/28,177.44
  6. Step 6: Final answer
    x = 21,531.02

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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.