Home / 28,323.88-39,087.02-15,751.06

Finding the Fourth Proportional to 28,323.88, 39,087.02 and 15,751.06

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Solution

The fourth proportional to 28,323.88, 39,087.02 and 15,751.06 is: 21,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.88 : 39,087.02 = 15,751.06 : x
  2. Step 2: Convert to fraction form
    28,323.88/39,087.02 = 15,751.06/x
  3. Step 3: Cross multiply
    28,323.88x = 39,087.02 × 15,751.06
  4. Step 4: Simplify right side
    28,323.88x = 615,661,997.24
  5. Step 5: Solve for x
    x = 615,661,997.24/28,323.88
  6. Step 6: Final answer
    x = 21,736.50

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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.