Home / 26,142.59-39,291.65-12,301.31

Finding the Fourth Proportional to 26,142.59, 39,291.65 and 12,301.31

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Solution

The fourth proportional to 26,142.59, 39,291.65 and 12,301.31 is: 18,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.59 : 39,291.65 = 12,301.31 : x
  2. Step 2: Convert to fraction form
    26,142.59/39,291.65 = 12,301.31/x
  3. Step 3: Cross multiply
    26,142.59x = 39,291.65 × 12,301.31
  4. Step 4: Simplify right side
    26,142.59x = 483,338,767.06
  5. Step 5: Solve for x
    x = 483,338,767.06/26,142.59
  6. Step 6: Final answer
    x = 18,488.56

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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.