Home / 28,604.07-42,906.15-11,955.02

Finding the Fourth Proportional to 28,604.07, 42,906.15 and 11,955.02

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Solution

The fourth proportional to 28,604.07, 42,906.15 and 11,955.02 is: 17,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.07 : 42,906.15 = 11,955.02 : x
  2. Step 2: Convert to fraction form
    28,604.07/42,906.15 = 11,955.02/x
  3. Step 3: Cross multiply
    28,604.07x = 42,906.15 × 11,955.02
  4. Step 4: Simplify right side
    28,604.07x = 512,943,666.84
  5. Step 5: Solve for x
    x = 512,943,666.84/28,604.07
  6. Step 6: Final answer
    x = 17,932.54

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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.