Home / 26,646.92-39,979.73-11,857.19

Finding the Fourth Proportional to 26,646.92, 39,979.73 and 11,857.19

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Solution

The fourth proportional to 26,646.92, 39,979.73 and 11,857.19 is: 17,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.92 : 39,979.73 = 11,857.19 : x
  2. Step 2: Convert to fraction form
    26,646.92/39,979.73 = 11,857.19/x
  3. Step 3: Cross multiply
    26,646.92x = 39,979.73 × 11,857.19
  4. Step 4: Simplify right side
    26,646.92x = 474,047,017.81
  5. Step 5: Solve for x
    x = 474,047,017.81/26,646.92
  6. Step 6: Final answer
    x = 17,789.93

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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.