Home / 28,359.83-39,126.07-28,316.09

Finding the Fourth Proportional to 28,359.83, 39,126.07 and 28,316.09

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Solution

The fourth proportional to 28,359.83, 39,126.07 and 28,316.09 is: 39,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.83 : 39,126.07 = 28,316.09 : x
  2. Step 2: Convert to fraction form
    28,359.83/39,126.07 = 28,316.09/x
  3. Step 3: Cross multiply
    28,359.83x = 39,126.07 × 28,316.09
  4. Step 4: Simplify right side
    28,359.83x = 1,107,897,452.68
  5. Step 5: Solve for x
    x = 1,107,897,452.68/28,359.83
  6. Step 6: Final answer
    x = 39,065.73

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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.