Home / 26,434.03-36,493.14-20,415.42

Finding the Fourth Proportional to 26,434.03, 36,493.14 and 20,415.42

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Solution

The fourth proportional to 26,434.03, 36,493.14 and 20,415.42 is: 28,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,434.03 : 36,493.14 = 20,415.42 : x
  2. Step 2: Convert to fraction form
    26,434.03/36,493.14 = 20,415.42/x
  3. Step 3: Cross multiply
    26,434.03x = 36,493.14 × 20,415.42
  4. Step 4: Simplify right side
    26,434.03x = 745,022,623.56
  5. Step 5: Solve for x
    x = 745,022,623.56/26,434.03
  6. Step 6: Final answer
    x = 28,184.22

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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.