Home / 28,662.32-42,995.48-12,005.62

Finding the Fourth Proportional to 28,662.32, 42,995.48 and 12,005.62

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Solution

The fourth proportional to 28,662.32, 42,995.48 and 12,005.62 is: 18,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.32 : 42,995.48 = 12,005.62 : x
  2. Step 2: Convert to fraction form
    28,662.32/42,995.48 = 12,005.62/x
  3. Step 3: Cross multiply
    28,662.32x = 42,995.48 × 12,005.62
  4. Step 4: Simplify right side
    28,662.32x = 516,187,227.08
  5. Step 5: Solve for x
    x = 516,187,227.08/28,662.32
  6. Step 6: Final answer
    x = 18,009.26

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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.