Home / 25,204.40-34,738.12-18,475.72

Finding the Fourth Proportional to 25,204.40, 34,738.12 and 18,475.72

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Solution

The fourth proportional to 25,204.40, 34,738.12 and 18,475.72 is: 25,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204.40 : 34,738.12 = 18,475.72 : x
  2. Step 2: Convert to fraction form
    25,204.40/34,738.12 = 18,475.72/x
  3. Step 3: Cross multiply
    25,204.40x = 34,738.12 × 18,475.72
  4. Step 4: Simplify right side
    25,204.40x = 641,811,778.45
  5. Step 5: Solve for x
    x = 641,811,778.45/25,204.40
  6. Step 6: Final answer
    x = 25,464.28

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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.