Home / 28,724.14-39,634.98-16,146.46

Finding the Fourth Proportional to 28,724.14, 39,634.98 and 16,146.46

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Solution

The fourth proportional to 28,724.14, 39,634.98 and 16,146.46 is: 22,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.14 : 39,634.98 = 16,146.46 : x
  2. Step 2: Convert to fraction form
    28,724.14/39,634.98 = 16,146.46/x
  3. Step 3: Cross multiply
    28,724.14x = 39,634.98 × 16,146.46
  4. Step 4: Simplify right side
    28,724.14x = 639,964,619.17
  5. Step 5: Solve for x
    x = 639,964,619.17/28,724.14
  6. Step 6: Final answer
    x = 22,279.68

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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.