Home / 28,845.60-43,268.10-9,124.17

Finding the Fourth Proportional to 28,845.60, 43,268.10 and 9,124.17

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Solution

The fourth proportional to 28,845.60, 43,268.10 and 9,124.17 is: 13,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.60 : 43,268.10 = 9,124.17 : x
  2. Step 2: Convert to fraction form
    28,845.60/43,268.10 = 9,124.17/x
  3. Step 3: Cross multiply
    28,845.60x = 43,268.10 × 9,124.17
  4. Step 4: Simplify right side
    28,845.60x = 394,785,499.98
  5. Step 5: Solve for x
    x = 394,785,499.98/28,845.60
  6. Step 6: Final answer
    x = 13,686.16

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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.