Home / 28,714.41-39,630.77-18,502.56

Finding the Fourth Proportional to 28,714.41, 39,630.77 and 18,502.56

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Solution

The fourth proportional to 28,714.41, 39,630.77 and 18,502.56 is: 25,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.41 : 39,630.77 = 18,502.56 : x
  2. Step 2: Convert to fraction form
    28,714.41/39,630.77 = 18,502.56/x
  3. Step 3: Cross multiply
    28,714.41x = 39,630.77 × 18,502.56
  4. Step 4: Simplify right side
    28,714.41x = 733,270,699.77
  5. Step 5: Solve for x
    x = 733,270,699.77/28,714.41
  6. Step 6: Final answer
    x = 25,536.68

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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.