Home / 25,382.98-38,072.58-13,518.46

Finding the Fourth Proportional to 25,382.98, 38,072.58 and 13,518.46

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Solution

The fourth proportional to 25,382.98, 38,072.58 and 13,518.46 is: 20,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.98 : 38,072.58 = 13,518.46 : x
  2. Step 2: Convert to fraction form
    25,382.98/38,072.58 = 13,518.46/x
  3. Step 3: Cross multiply
    25,382.98x = 38,072.58 × 13,518.46
  4. Step 4: Simplify right side
    25,382.98x = 514,682,649.83
  5. Step 5: Solve for x
    x = 514,682,649.83/25,382.98
  6. Step 6: Final answer
    x = 20,276.68

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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.