Home / 28,684.22-42,872.54-25,866.63

Finding the Fourth Proportional to 28,684.22, 42,872.54 and 25,866.63

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Solution

The fourth proportional to 28,684.22, 42,872.54 and 25,866.63 is: 38,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.22 : 42,872.54 = 25,866.63 : x
  2. Step 2: Convert to fraction form
    28,684.22/42,872.54 = 25,866.63/x
  3. Step 3: Cross multiply
    28,684.22x = 42,872.54 × 25,866.63
  4. Step 4: Simplify right side
    28,684.22x = 1,108,968,000.01
  5. Step 5: Solve for x
    x = 1,108,968,000.01/28,684.22
  6. Step 6: Final answer
    x = 38,661.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.