Home / 25,408.16-35,064.58-14,078.90

Finding the Fourth Proportional to 25,408.16, 35,064.58 and 14,078.90

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Solution

The fourth proportional to 25,408.16, 35,064.58 and 14,078.90 is: 19,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.16 : 35,064.58 = 14,078.90 : x
  2. Step 2: Convert to fraction form
    25,408.16/35,064.58 = 14,078.90/x
  3. Step 3: Cross multiply
    25,408.16x = 35,064.58 × 14,078.90
  4. Step 4: Simplify right side
    25,408.16x = 493,670,715.36
  5. Step 5: Solve for x
    x = 493,670,715.36/25,408.16
  6. Step 6: Final answer
    x = 19,429.61

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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.