Home / 28,668.20-43,018.89-12,026.74

Finding the Fourth Proportional to 28,668.20, 43,018.89 and 12,026.74

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Solution

The fourth proportional to 28,668.20, 43,018.89 and 12,026.74 is: 18,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.20 : 43,018.89 = 12,026.74 : x
  2. Step 2: Convert to fraction form
    28,668.20/43,018.89 = 12,026.74/x
  3. Step 3: Cross multiply
    28,668.20x = 43,018.89 × 12,026.74
  4. Step 4: Simplify right side
    28,668.20x = 517,377,005.12
  5. Step 5: Solve for x
    x = 517,377,005.12/28,668.20
  6. Step 6: Final answer
    x = 18,047.07

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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.