Home / 25,747.58-38,686.18-16,391.82

Finding the Fourth Proportional to 25,747.58, 38,686.18 and 16,391.82

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Solution

The fourth proportional to 25,747.58, 38,686.18 and 16,391.82 is: 24,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.58 : 38,686.18 = 16,391.82 : x
  2. Step 2: Convert to fraction form
    25,747.58/38,686.18 = 16,391.82/x
  3. Step 3: Cross multiply
    25,747.58x = 38,686.18 × 16,391.82
  4. Step 4: Simplify right side
    25,747.58x = 634,136,899.05
  5. Step 5: Solve for x
    x = 634,136,899.05/25,747.58
  6. Step 6: Final answer
    x = 24,628.99

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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.