Home / 28,494.05-42,718.05-11,866.59

Finding the Fourth Proportional to 28,494.05, 42,718.05 and 11,866.59

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Solution

The fourth proportional to 28,494.05, 42,718.05 and 11,866.59 is: 17,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.05 : 42,718.05 = 11,866.59 : x
  2. Step 2: Convert to fraction form
    28,494.05/42,718.05 = 11,866.59/x
  3. Step 3: Cross multiply
    28,494.05x = 42,718.05 × 11,866.59
  4. Step 4: Simplify right side
    28,494.05x = 506,917,584.95
  5. Step 5: Solve for x
    x = 506,917,584.95/28,494.05
  6. Step 6: Final answer
    x = 17,790.30

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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.