Home / 28,401.18-42,613.50-11,764.58

Finding the Fourth Proportional to 28,401.18, 42,613.50 and 11,764.58

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Solution

The fourth proportional to 28,401.18, 42,613.50 and 11,764.58 is: 17,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.18 : 42,613.50 = 11,764.58 : x
  2. Step 2: Convert to fraction form
    28,401.18/42,613.50 = 11,764.58/x
  3. Step 3: Cross multiply
    28,401.18x = 42,613.50 × 11,764.58
  4. Step 4: Simplify right side
    28,401.18x = 501,329,929.83
  5. Step 5: Solve for x
    x = 501,329,929.83/28,401.18
  6. Step 6: Final answer
    x = 17,651.73

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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.