Home / 26,913.50-40,358.48-13,578.29

Finding the Fourth Proportional to 26,913.50, 40,358.48 and 13,578.29

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Solution

The fourth proportional to 26,913.50, 40,358.48 and 13,578.29 is: 20,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.50 : 40,358.48 = 13,578.29 : x
  2. Step 2: Convert to fraction form
    26,913.50/40,358.48 = 13,578.29/x
  3. Step 3: Cross multiply
    26,913.50x = 40,358.48 × 13,578.29
  4. Step 4: Simplify right side
    26,913.50x = 547,998,875.72
  5. Step 5: Solve for x
    x = 547,998,875.72/26,913.50
  6. Step 6: Final answer
    x = 20,361.49

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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.