Home / 26,506.80-39,731.04-10,915.92

Finding the Fourth Proportional to 26,506.80, 39,731.04 and 10,915.92

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Solution

The fourth proportional to 26,506.80, 39,731.04 and 10,915.92 is: 16,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,506.80 : 39,731.04 = 10,915.92 : x
  2. Step 2: Convert to fraction form
    26,506.80/39,731.04 = 10,915.92/x
  3. Step 3: Cross multiply
    26,506.80x = 39,731.04 × 10,915.92
  4. Step 4: Simplify right side
    26,506.80x = 433,700,854.16
  5. Step 5: Solve for x
    x = 433,700,854.16/26,506.80
  6. Step 6: Final answer
    x = 16,361.87

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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.