Home / 28,956.64-39,957.96-16,382.20

Finding the Fourth Proportional to 28,956.64, 39,957.96 and 16,382.20

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Solution

The fourth proportional to 28,956.64, 39,957.96 and 16,382.20 is: 22,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.64 : 39,957.96 = 16,382.20 : x
  2. Step 2: Convert to fraction form
    28,956.64/39,957.96 = 16,382.20/x
  3. Step 3: Cross multiply
    28,956.64x = 39,957.96 × 16,382.20
  4. Step 4: Simplify right side
    28,956.64x = 654,599,292.31
  5. Step 5: Solve for x
    x = 654,599,292.31/28,956.64
  6. Step 6: Final answer
    x = 22,606.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.