Home / 26,221.28-36,185.40-14,284.31

Finding the Fourth Proportional to 26,221.28, 36,185.40 and 14,284.31

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Solution

The fourth proportional to 26,221.28, 36,185.40 and 14,284.31 is: 19,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.28 : 36,185.40 = 14,284.31 : x
  2. Step 2: Convert to fraction form
    26,221.28/36,185.40 = 14,284.31/x
  3. Step 3: Cross multiply
    26,221.28x = 36,185.40 × 14,284.31
  4. Step 4: Simplify right side
    26,221.28x = 516,883,290.15
  5. Step 5: Solve for x
    x = 516,883,290.15/26,221.28
  6. Step 6: Final answer
    x = 19,712.36

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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.