Home / 28,625.74-42,950.97-15,487.36

Finding the Fourth Proportional to 28,625.74, 42,950.97 and 15,487.36

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Solution

The fourth proportional to 28,625.74, 42,950.97 and 15,487.36 is: 23,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.74 : 42,950.97 = 15,487.36 : x
  2. Step 2: Convert to fraction form
    28,625.74/42,950.97 = 15,487.36/x
  3. Step 3: Cross multiply
    28,625.74x = 42,950.97 × 15,487.36
  4. Step 4: Simplify right side
    28,625.74x = 665,197,134.74
  5. Step 5: Solve for x
    x = 665,197,134.74/28,625.74
  6. Step 6: Final answer
    x = 23,237.73

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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.