Home / 28,666.71-42,974.15-10,194.39

Finding the Fourth Proportional to 28,666.71, 42,974.15 and 10,194.39

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Solution

The fourth proportional to 28,666.71, 42,974.15 and 10,194.39 is: 15,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.71 : 42,974.15 = 10,194.39 : x
  2. Step 2: Convert to fraction form
    28,666.71/42,974.15 = 10,194.39/x
  3. Step 3: Cross multiply
    28,666.71x = 42,974.15 × 10,194.39
  4. Step 4: Simplify right side
    28,666.71x = 438,095,194.05
  5. Step 5: Solve for x
    x = 438,095,194.05/28,666.71
  6. Step 6: Final answer
    x = 15,282.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.