Home / 26,426.79-39,648.62-9,789.19

Finding the Fourth Proportional to 26,426.79, 39,648.62 and 9,789.19

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Solution

The fourth proportional to 26,426.79, 39,648.62 and 9,789.19 is: 14,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.79 : 39,648.62 = 9,789.19 : x
  2. Step 2: Convert to fraction form
    26,426.79/39,648.62 = 9,789.19/x
  3. Step 3: Cross multiply
    26,426.79x = 39,648.62 × 9,789.19
  4. Step 4: Simplify right side
    26,426.79x = 388,127,874.42
  5. Step 5: Solve for x
    x = 388,127,874.42/26,426.79
  6. Step 6: Final answer
    x = 14,686.91

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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.