Home / 26,666.72-40,009.80-14,187.86

Finding the Fourth Proportional to 26,666.72, 40,009.80 and 14,187.86

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Solution

The fourth proportional to 26,666.72, 40,009.80 and 14,187.86 is: 21,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.72 : 40,009.80 = 14,187.86 : x
  2. Step 2: Convert to fraction form
    26,666.72/40,009.80 = 14,187.86/x
  3. Step 3: Cross multiply
    26,666.72x = 40,009.80 × 14,187.86
  4. Step 4: Simplify right side
    26,666.72x = 567,653,441.03
  5. Step 5: Solve for x
    x = 567,653,441.03/26,666.72
  6. Step 6: Final answer
    x = 21,286.96

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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.