Home / 26,439.21-36,433.40-18,864.19

Finding the Fourth Proportional to 26,439.21, 36,433.40 and 18,864.19

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Solution

The fourth proportional to 26,439.21, 36,433.40 and 18,864.19 is: 25,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.21 : 36,433.40 = 18,864.19 : x
  2. Step 2: Convert to fraction form
    26,439.21/36,433.40 = 18,864.19/x
  3. Step 3: Cross multiply
    26,439.21x = 36,433.40 × 18,864.19
  4. Step 4: Simplify right side
    26,439.21x = 687,286,531.17
  5. Step 5: Solve for x
    x = 687,286,531.17/26,439.21
  6. Step 6: Final answer
    x = 25,994.97

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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.