Home / 26,221.05-36,182.30-15,609.24

Finding the Fourth Proportional to 26,221.05, 36,182.30 and 15,609.24

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Solution

The fourth proportional to 26,221.05, 36,182.30 and 15,609.24 is: 21,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.05 : 36,182.30 = 15,609.24 : x
  2. Step 2: Convert to fraction form
    26,221.05/36,182.30 = 15,609.24/x
  3. Step 3: Cross multiply
    26,221.05x = 36,182.30 × 15,609.24
  4. Step 4: Simplify right side
    26,221.05x = 564,778,126.41
  5. Step 5: Solve for x
    x = 564,778,126.41/26,221.05
  6. Step 6: Final answer
    x = 21,539.11

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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.