Home / 28,340.09-38,945.15-27,039.23

Finding the Fourth Proportional to 28,340.09, 38,945.15 and 27,039.23

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Solution

The fourth proportional to 28,340.09, 38,945.15 and 27,039.23 is: 37,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.09 : 38,945.15 = 27,039.23 : x
  2. Step 2: Convert to fraction form
    28,340.09/38,945.15 = 27,039.23/x
  3. Step 3: Cross multiply
    28,340.09x = 38,945.15 × 27,039.23
  4. Step 4: Simplify right side
    28,340.09x = 1,053,046,741.11
  5. Step 5: Solve for x
    x = 1,053,046,741.11/28,340.09
  6. Step 6: Final answer
    x = 37,157.50

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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.