Home / 28,006.44-42,009.66-16,178.21

Finding the Fourth Proportional to 28,006.44, 42,009.66 and 16,178.21

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Solution

The fourth proportional to 28,006.44, 42,009.66 and 16,178.21 is: 24,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.44 : 42,009.66 = 16,178.21 : x
  2. Step 2: Convert to fraction form
    28,006.44/42,009.66 = 16,178.21/x
  3. Step 3: Cross multiply
    28,006.44x = 42,009.66 × 16,178.21
  4. Step 4: Simplify right side
    28,006.44x = 679,641,206.53
  5. Step 5: Solve for x
    x = 679,641,206.53/28,006.44
  6. Step 6: Final answer
    x = 24,267.32

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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.