Home / 18,733.95-28,018.31-16,668.45

Finding the Fourth Proportional to 18,733.95, 28,018.31 and 16,668.45

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Solution

The fourth proportional to 18,733.95, 28,018.31 and 16,668.45 is: 24,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.95 : 28,018.31 = 16,668.45 : x
  2. Step 2: Convert to fraction form
    18,733.95/28,018.31 = 16,668.45/x
  3. Step 3: Cross multiply
    18,733.95x = 28,018.31 × 16,668.45
  4. Step 4: Simplify right side
    18,733.95x = 467,021,715.98
  5. Step 5: Solve for x
    x = 467,021,715.98/18,733.95
  6. Step 6: Final answer
    x = 24,929.16

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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.