Home / 26,438.62-39,675.64-9,798.79

Finding the Fourth Proportional to 26,438.62, 39,675.64 and 9,798.79

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Solution

The fourth proportional to 26,438.62, 39,675.64 and 9,798.79 is: 14,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.62 : 39,675.64 = 9,798.79 : x
  2. Step 2: Convert to fraction form
    26,438.62/39,675.64 = 9,798.79/x
  3. Step 3: Cross multiply
    26,438.62x = 39,675.64 × 9,798.79
  4. Step 4: Simplify right side
    26,438.62x = 388,773,264.48
  5. Step 5: Solve for x
    x = 388,773,264.48/26,438.62
  6. Step 6: Final answer
    x = 14,704.75

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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.