Home / 28,566.26-42,877.09-13,785.58

Finding the Fourth Proportional to 28,566.26, 42,877.09 and 13,785.58

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Solution

The fourth proportional to 28,566.26, 42,877.09 and 13,785.58 is: 20,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.26 : 42,877.09 = 13,785.58 : x
  2. Step 2: Convert to fraction form
    28,566.26/42,877.09 = 13,785.58/x
  3. Step 3: Cross multiply
    28,566.26x = 42,877.09 × 13,785.58
  4. Step 4: Simplify right side
    28,566.26x = 591,085,339.98
  5. Step 5: Solve for x
    x = 591,085,339.98/28,566.26
  6. Step 6: Final answer
    x = 20,691.73

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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.