Home / 26,690.32-36,834.06-15,361.54

Finding the Fourth Proportional to 26,690.32, 36,834.06 and 15,361.54

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Solution

The fourth proportional to 26,690.32, 36,834.06 and 15,361.54 is: 21,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.32 : 36,834.06 = 15,361.54 : x
  2. Step 2: Convert to fraction form
    26,690.32/36,834.06 = 15,361.54/x
  3. Step 3: Cross multiply
    26,690.32x = 36,834.06 × 15,361.54
  4. Step 4: Simplify right side
    26,690.32x = 565,827,886.05
  5. Step 5: Solve for x
    x = 565,827,886.05/26,690.32
  6. Step 6: Final answer
    x = 21,199.74

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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.