Home / 25,410.84-38,129.27-12,098.90

Finding the Fourth Proportional to 25,410.84, 38,129.27 and 12,098.90

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Solution

The fourth proportional to 25,410.84, 38,129.27 and 12,098.90 is: 18,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.84 : 38,129.27 = 12,098.90 : x
  2. Step 2: Convert to fraction form
    25,410.84/38,129.27 = 12,098.90/x
  3. Step 3: Cross multiply
    25,410.84x = 38,129.27 × 12,098.90
  4. Step 4: Simplify right side
    25,410.84x = 461,322,064.40
  5. Step 5: Solve for x
    x = 461,322,064.40/25,410.84
  6. Step 6: Final answer
    x = 18,154.54

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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.