Home / 19,008.88-28,485.50-10,705.09

Finding the Fourth Proportional to 19,008.88, 28,485.50 and 10,705.09

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Solution

The fourth proportional to 19,008.88, 28,485.50 and 10,705.09 is: 16,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.88 : 28,485.50 = 10,705.09 : x
  2. Step 2: Convert to fraction form
    19,008.88/28,485.50 = 10,705.09/x
  3. Step 3: Cross multiply
    19,008.88x = 28,485.50 × 10,705.09
  4. Step 4: Simplify right side
    19,008.88x = 304,939,787.67
  5. Step 5: Solve for x
    x = 304,939,787.67/19,008.88
  6. Step 6: Final answer
    x = 16,041.97

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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.