Home / 26,439.62-39,677.14-9,799.79

Finding the Fourth Proportional to 26,439.62, 39,677.14 and 9,799.79

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Solution

The fourth proportional to 26,439.62, 39,677.14 and 9,799.79 is: 14,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.62 : 39,677.14 = 9,799.79 : x
  2. Step 2: Convert to fraction form
    26,439.62/39,677.14 = 9,799.79/x
  3. Step 3: Cross multiply
    26,439.62x = 39,677.14 × 9,799.79
  4. Step 4: Simplify right side
    26,439.62x = 388,827,639.80
  5. Step 5: Solve for x
    x = 388,827,639.80/26,439.62
  6. Step 6: Final answer
    x = 14,706.25

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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.