Home / 28,230.48-42,330.57-9,504.27

Finding the Fourth Proportional to 28,230.48, 42,330.57 and 9,504.27

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Solution

The fourth proportional to 28,230.48, 42,330.57 and 9,504.27 is: 14,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.48 : 42,330.57 = 9,504.27 : x
  2. Step 2: Convert to fraction form
    28,230.48/42,330.57 = 9,504.27/x
  3. Step 3: Cross multiply
    28,230.48x = 42,330.57 × 9,504.27
  4. Step 4: Simplify right side
    28,230.48x = 402,321,166.53
  5. Step 5: Solve for x
    x = 402,321,166.53/28,230.48
  6. Step 6: Final answer
    x = 14,251.30

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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.