Home / 28,230.98-42,331.32-9,504.80

Finding the Fourth Proportional to 28,230.98, 42,331.32 and 9,504.80

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Solution

The fourth proportional to 28,230.98, 42,331.32 and 9,504.80 is: 14,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.98 : 42,331.32 = 9,504.80 : x
  2. Step 2: Convert to fraction form
    28,230.98/42,331.32 = 9,504.80/x
  3. Step 3: Cross multiply
    28,230.98x = 42,331.32 × 9,504.80
  4. Step 4: Simplify right side
    28,230.98x = 402,350,730.34
  5. Step 5: Solve for x
    x = 402,350,730.34/28,230.98
  6. Step 6: Final answer
    x = 14,252.10

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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.