Home / 28,179.04-42,259.98-9,454.98

Finding the Fourth Proportional to 28,179.04, 42,259.98 and 9,454.98

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Solution

The fourth proportional to 28,179.04, 42,259.98 and 9,454.98 is: 14,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,179.04 : 42,259.98 = 9,454.98 : x
  2. Step 2: Convert to fraction form
    28,179.04/42,259.98 = 9,454.98/x
  3. Step 3: Cross multiply
    28,179.04x = 42,259.98 × 9,454.98
  4. Step 4: Simplify right side
    28,179.04x = 399,567,168.73
  5. Step 5: Solve for x
    x = 399,567,168.73/28,179.04
  6. Step 6: Final answer
    x = 14,179.59

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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.