Home / 36,421.42-54,625.76-10,128.22

Finding the Fourth Proportional to 36,421.42, 54,625.76 and 10,128.22

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Solution

The fourth proportional to 36,421.42, 54,625.76 and 10,128.22 is: 15,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.42 : 54,625.76 = 10,128.22 : x
  2. Step 2: Convert to fraction form
    36,421.42/54,625.76 = 10,128.22/x
  3. Step 3: Cross multiply
    36,421.42x = 54,625.76 × 10,128.22
  4. Step 4: Simplify right side
    36,421.42x = 553,261,714.95
  5. Step 5: Solve for x
    x = 553,261,714.95/36,421.42
  6. Step 6: Final answer
    x = 15,190.56

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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.