Home / 28,148.94-38,807.46-18,059.85

Finding the Fourth Proportional to 28,148.94, 38,807.46 and 18,059.85

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Solution

The fourth proportional to 28,148.94, 38,807.46 and 18,059.85 is: 24,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.94 : 38,807.46 = 18,059.85 : x
  2. Step 2: Convert to fraction form
    28,148.94/38,807.46 = 18,059.85/x
  3. Step 3: Cross multiply
    28,148.94x = 38,807.46 × 18,059.85
  4. Step 4: Simplify right side
    28,148.94x = 700,856,906.48
  5. Step 5: Solve for x
    x = 700,856,906.48/28,148.94
  6. Step 6: Final answer
    x = 24,898.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.