Home / 28,272.02-42,414.60-9,551.70

Finding the Fourth Proportional to 28,272.02, 42,414.60 and 9,551.70

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Solution

The fourth proportional to 28,272.02, 42,414.60 and 9,551.70 is: 14,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.02 : 42,414.60 = 9,551.70 : x
  2. Step 2: Convert to fraction form
    28,272.02/42,414.60 = 9,551.70/x
  3. Step 3: Cross multiply
    28,272.02x = 42,414.60 × 9,551.70
  4. Step 4: Simplify right side
    28,272.02x = 405,131,534.82
  5. Step 5: Solve for x
    x = 405,131,534.82/28,272.02
  6. Step 6: Final answer
    x = 14,329.77

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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.