Home / 28,666.71-43,016.99-10,912.32

Finding the Fourth Proportional to 28,666.71, 43,016.99 and 10,912.32

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Solution

The fourth proportional to 28,666.71, 43,016.99 and 10,912.32 is: 16,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.71 : 43,016.99 = 10,912.32 : x
  2. Step 2: Convert to fraction form
    28,666.71/43,016.99 = 10,912.32/x
  3. Step 3: Cross multiply
    28,666.71x = 43,016.99 × 10,912.32
  4. Step 4: Simplify right side
    28,666.71x = 469,415,160.32
  5. Step 5: Solve for x
    x = 469,415,160.32/28,666.71
  6. Step 6: Final answer
    x = 16,374.92

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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.