Home / 28,860.18-43,288.35-11,332.98

Finding the Fourth Proportional to 28,860.18, 43,288.35 and 11,332.98

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Solution

The fourth proportional to 28,860.18, 43,288.35 and 11,332.98 is: 16,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.18 : 43,288.35 = 11,332.98 : x
  2. Step 2: Convert to fraction form
    28,860.18/43,288.35 = 11,332.98/x
  3. Step 3: Cross multiply
    28,860.18x = 43,288.35 × 11,332.98
  4. Step 4: Simplify right side
    28,860.18x = 490,586,004.78
  5. Step 5: Solve for x
    x = 490,586,004.78/28,860.18
  6. Step 6: Final answer
    x = 16,998.72

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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.