Home / 25,408.27-38,120.10-12,258.19

Finding the Fourth Proportional to 25,408.27, 38,120.10 and 12,258.19

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Solution

The fourth proportional to 25,408.27, 38,120.10 and 12,258.19 is: 18,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.27 : 38,120.10 = 12,258.19 : x
  2. Step 2: Convert to fraction form
    25,408.27/38,120.10 = 12,258.19/x
  3. Step 3: Cross multiply
    25,408.27x = 38,120.10 × 12,258.19
  4. Step 4: Simplify right side
    25,408.27x = 467,283,428.62
  5. Step 5: Solve for x
    x = 467,283,428.62/25,408.27
  6. Step 6: Final answer
    x = 18,391.00

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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.