Home / 26,156.66-35,938.65-20,842.25

Finding the Fourth Proportional to 26,156.66, 35,938.65 and 20,842.25

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Solution

The fourth proportional to 26,156.66, 35,938.65 and 20,842.25 is: 28,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.66 : 35,938.65 = 20,842.25 : x
  2. Step 2: Convert to fraction form
    26,156.66/35,938.65 = 20,842.25/x
  3. Step 3: Cross multiply
    26,156.66x = 35,938.65 × 20,842.25
  4. Step 4: Simplify right side
    26,156.66x = 749,042,226.43
  5. Step 5: Solve for x
    x = 749,042,226.43/26,156.66
  6. Step 6: Final answer
    x = 28,636.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.