Home / 26,545.66-36,633.36-15,215.68

Finding the Fourth Proportional to 26,545.66, 36,633.36 and 15,215.68

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Solution

The fourth proportional to 26,545.66, 36,633.36 and 15,215.68 is: 20,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.66 : 36,633.36 = 15,215.68 : x
  2. Step 2: Convert to fraction form
    26,545.66/36,633.36 = 15,215.68/x
  3. Step 3: Cross multiply
    26,545.66x = 36,633.36 × 15,215.68
  4. Step 4: Simplify right side
    26,545.66x = 557,401,483.08
  5. Step 5: Solve for x
    x = 557,401,483.08/26,545.66
  6. Step 6: Final answer
    x = 20,997.84

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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.