Home / 20,839.83-31,277.23-19,526.15

Finding the Fourth Proportional to 20,839.83, 31,277.23 and 19,526.15

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Solution

The fourth proportional to 20,839.83, 31,277.23 and 19,526.15 is: 29,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.83 : 31,277.23 = 19,526.15 : x
  2. Step 2: Convert to fraction form
    20,839.83/31,277.23 = 19,526.15/x
  3. Step 3: Cross multiply
    20,839.83x = 31,277.23 × 19,526.15
  4. Step 4: Simplify right side
    20,839.83x = 610,723,728.18
  5. Step 5: Solve for x
    x = 610,723,728.18/20,839.83
  6. Step 6: Final answer
    x = 29,305.60

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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.