Home / 25,118.45-34,665.19-16,605.81

Finding the Fourth Proportional to 25,118.45, 34,665.19 and 16,605.81

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Solution

The fourth proportional to 25,118.45, 34,665.19 and 16,605.81 is: 22,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.45 : 34,665.19 = 16,605.81 : x
  2. Step 2: Convert to fraction form
    25,118.45/34,665.19 = 16,605.81/x
  3. Step 3: Cross multiply
    25,118.45x = 34,665.19 × 16,605.81
  4. Step 4: Simplify right side
    25,118.45x = 575,643,558.75
  5. Step 5: Solve for x
    x = 575,643,558.75/25,118.45
  6. Step 6: Final answer
    x = 22,917.16

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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.