Home / 25,611.03-38,415.20-7,841.72

Finding the Fourth Proportional to 25,611.03, 38,415.20 and 7,841.72

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Solution

The fourth proportional to 25,611.03, 38,415.20 and 7,841.72 is: 11,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.03 : 38,415.20 = 7,841.72 : x
  2. Step 2: Convert to fraction form
    25,611.03/38,415.20 = 7,841.72/x
  3. Step 3: Cross multiply
    25,611.03x = 38,415.20 × 7,841.72
  4. Step 4: Simplify right side
    25,611.03x = 301,241,010.86
  5. Step 5: Solve for x
    x = 301,241,010.86/25,611.03
  6. Step 6: Final answer
    x = 11,762.16

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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.