Home / 28,499.09-39,118.05-27,281.21

Finding the Fourth Proportional to 28,499.09, 39,118.05 and 27,281.21

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Solution

The fourth proportional to 28,499.09, 39,118.05 and 27,281.21 is: 37,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499.09 : 39,118.05 = 27,281.21 : x
  2. Step 2: Convert to fraction form
    28,499.09/39,118.05 = 27,281.21/x
  3. Step 3: Cross multiply
    28,499.09x = 39,118.05 × 27,281.21
  4. Step 4: Simplify right side
    28,499.09x = 1,067,187,541.25
  5. Step 5: Solve for x
    x = 1,067,187,541.25/28,499.09
  6. Step 6: Final answer
    x = 37,446.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.