Home / 28,263.58-39,004.19-15,517.94

Finding the Fourth Proportional to 28,263.58, 39,004.19 and 15,517.94

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Solution

The fourth proportional to 28,263.58, 39,004.19 and 15,517.94 is: 21,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.58 : 39,004.19 = 15,517.94 : x
  2. Step 2: Convert to fraction form
    28,263.58/39,004.19 = 15,517.94/x
  3. Step 3: Cross multiply
    28,263.58x = 39,004.19 × 15,517.94
  4. Step 4: Simplify right side
    28,263.58x = 605,264,523.94
  5. Step 5: Solve for x
    x = 605,264,523.94/28,263.58
  6. Step 6: Final answer
    x = 21,415.00

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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.