Home / 28,541.06-39,385.86-15,794.77

Finding the Fourth Proportional to 28,541.06, 39,385.86 and 15,794.77

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Solution

The fourth proportional to 28,541.06, 39,385.86 and 15,794.77 is: 21,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.06 : 39,385.86 = 15,794.77 : x
  2. Step 2: Convert to fraction form
    28,541.06/39,385.86 = 15,794.77/x
  3. Step 3: Cross multiply
    28,541.06x = 39,385.86 × 15,794.77
  4. Step 4: Simplify right side
    28,541.06x = 622,090,649.09
  5. Step 5: Solve for x
    x = 622,090,649.09/28,541.06
  6. Step 6: Final answer
    x = 21,796.34

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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.