Home / 26,116.26-36,036.81-15,361.62

Finding the Fourth Proportional to 26,116.26, 36,036.81 and 15,361.62

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Solution

The fourth proportional to 26,116.26, 36,036.81 and 15,361.62 is: 21,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.26 : 36,036.81 = 15,361.62 : x
  2. Step 2: Convert to fraction form
    26,116.26/36,036.81 = 15,361.62/x
  3. Step 3: Cross multiply
    26,116.26x = 36,036.81 × 15,361.62
  4. Step 4: Simplify right side
    26,116.26x = 553,583,781.23
  5. Step 5: Solve for x
    x = 553,583,781.23/26,116.26
  6. Step 6: Final answer
    x = 21,196.90

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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.