Home / 25,679.86-35,302.16-22,081.64

Finding the Fourth Proportional to 25,679.86, 35,302.16 and 22,081.64

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Solution

The fourth proportional to 25,679.86, 35,302.16 and 22,081.64 is: 30,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.86 : 35,302.16 = 22,081.64 : x
  2. Step 2: Convert to fraction form
    25,679.86/35,302.16 = 22,081.64/x
  3. Step 3: Cross multiply
    25,679.86x = 35,302.16 × 22,081.64
  4. Step 4: Simplify right side
    25,679.86x = 779,529,588.34
  5. Step 5: Solve for x
    x = 779,529,588.34/25,679.86
  6. Step 6: Final answer
    x = 30,355.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.