Home / 28,134.53-38,807.34-18,046.99

Finding the Fourth Proportional to 28,134.53, 38,807.34 and 18,046.99

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Solution

The fourth proportional to 28,134.53, 38,807.34 and 18,046.99 is: 24,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.53 : 38,807.34 = 18,046.99 : x
  2. Step 2: Convert to fraction form
    28,134.53/38,807.34 = 18,046.99/x
  3. Step 3: Cross multiply
    28,134.53x = 38,807.34 × 18,046.99
  4. Step 4: Simplify right side
    28,134.53x = 700,355,482.87
  5. Step 5: Solve for x
    x = 700,355,482.87/28,134.53
  6. Step 6: Final answer
    x = 24,893.09

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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.