Home / 28,898.28-43,359.93-10,191.69

Finding the Fourth Proportional to 28,898.28, 43,359.93 and 10,191.69

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Solution

The fourth proportional to 28,898.28, 43,359.93 and 10,191.69 is: 15,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.28 : 43,359.93 = 10,191.69 : x
  2. Step 2: Convert to fraction form
    28,898.28/43,359.93 = 10,191.69/x
  3. Step 3: Cross multiply
    28,898.28x = 43,359.93 × 10,191.69
  4. Step 4: Simplify right side
    28,898.28x = 441,910,964.98
  5. Step 5: Solve for x
    x = 441,910,964.98/28,898.28
  6. Step 6: Final answer
    x = 15,291.95

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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.