Home / 28,724.15-39,633.44-16,785.16

Finding the Fourth Proportional to 28,724.15, 39,633.44 and 16,785.16

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Solution

The fourth proportional to 28,724.15, 39,633.44 and 16,785.16 is: 23,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.15 : 39,633.44 = 16,785.16 : x
  2. Step 2: Convert to fraction form
    28,724.15/39,633.44 = 16,785.16/x
  3. Step 3: Cross multiply
    28,724.15x = 39,633.44 × 16,785.16
  4. Step 4: Simplify right side
    28,724.15x = 665,253,448.74
  5. Step 5: Solve for x
    x = 665,253,448.74/28,724.15
  6. Step 6: Final answer
    x = 23,160.07

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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.