Home / 25,770.83-35,580.87-19,791.81

Finding the Fourth Proportional to 25,770.83, 35,580.87 and 19,791.81

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Solution

The fourth proportional to 25,770.83, 35,580.87 and 19,791.81 is: 27,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.83 : 35,580.87 = 19,791.81 : x
  2. Step 2: Convert to fraction form
    25,770.83/35,580.87 = 19,791.81/x
  3. Step 3: Cross multiply
    25,770.83x = 35,580.87 × 19,791.81
  4. Step 4: Simplify right side
    25,770.83x = 704,209,818.67
  5. Step 5: Solve for x
    x = 704,209,818.67/25,770.83
  6. Step 6: Final answer
    x = 27,325.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.