Home / 25,285.07-34,855.03-18,208.91

Finding the Fourth Proportional to 25,285.07, 34,855.03 and 18,208.91

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Solution

The fourth proportional to 25,285.07, 34,855.03 and 18,208.91 is: 25,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.07 : 34,855.03 = 18,208.91 : x
  2. Step 2: Convert to fraction form
    25,285.07/34,855.03 = 18,208.91/x
  3. Step 3: Cross multiply
    25,285.07x = 34,855.03 × 18,208.91
  4. Step 4: Simplify right side
    25,285.07x = 634,672,104.32
  5. Step 5: Solve for x
    x = 634,672,104.32/25,285.07
  6. Step 6: Final answer
    x = 25,100.67

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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.