Home / 20,935.05-31,402.57-9,833.59

Finding the Fourth Proportional to 20,935.05, 31,402.57 and 9,833.59

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Solution

The fourth proportional to 20,935.05, 31,402.57 and 9,833.59 is: 14,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935.05 : 31,402.57 = 9,833.59 : x
  2. Step 2: Convert to fraction form
    20,935.05/31,402.57 = 9,833.59/x
  3. Step 3: Cross multiply
    20,935.05x = 31,402.57 × 9,833.59
  4. Step 4: Simplify right side
    20,935.05x = 308,799,998.33
  5. Step 5: Solve for x
    x = 308,799,998.33/20,935.05
  6. Step 6: Final answer
    x = 14,750.38

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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.