Home / 28,649.52-39,538.08-19,072.88

Finding the Fourth Proportional to 28,649.52, 39,538.08 and 19,072.88

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Solution

The fourth proportional to 28,649.52, 39,538.08 and 19,072.88 is: 26,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,649.52 : 39,538.08 = 19,072.88 : x
  2. Step 2: Convert to fraction form
    28,649.52/39,538.08 = 19,072.88/x
  3. Step 3: Cross multiply
    28,649.52x = 39,538.08 × 19,072.88
  4. Step 4: Simplify right side
    28,649.52x = 754,105,055.27
  5. Step 5: Solve for x
    x = 754,105,055.27/28,649.52
  6. Step 6: Final answer
    x = 26,321.73

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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.