Home / 28,780.24-43,144.78-11,246.08

Finding the Fourth Proportional to 28,780.24, 43,144.78 and 11,246.08

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Solution

The fourth proportional to 28,780.24, 43,144.78 and 11,246.08 is: 16,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.24 : 43,144.78 = 11,246.08 : x
  2. Step 2: Convert to fraction form
    28,780.24/43,144.78 = 11,246.08/x
  3. Step 3: Cross multiply
    28,780.24x = 43,144.78 × 11,246.08
  4. Step 4: Simplify right side
    28,780.24x = 485,209,647.46
  5. Step 5: Solve for x
    x = 485,209,647.46/28,780.24
  6. Step 6: Final answer
    x = 16,859.12

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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.