Home / 28,662.69-43,010.64-12,021.24

Finding the Fourth Proportional to 28,662.69, 43,010.64 and 12,021.24

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Solution

The fourth proportional to 28,662.69, 43,010.64 and 12,021.24 is: 18,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.69 : 43,010.64 = 12,021.24 : x
  2. Step 2: Convert to fraction form
    28,662.69/43,010.64 = 12,021.24/x
  3. Step 3: Cross multiply
    28,662.69x = 43,010.64 × 12,021.24
  4. Step 4: Simplify right side
    28,662.69x = 517,041,225.99
  5. Step 5: Solve for x
    x = 517,041,225.99/28,662.69
  6. Step 6: Final answer
    x = 18,038.82

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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.