Home / 25,422.29-38,118.03-11,379.69

Finding the Fourth Proportional to 25,422.29, 38,118.03 and 11,379.69

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Solution

The fourth proportional to 25,422.29, 38,118.03 and 11,379.69 is: 17,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.29 : 38,118.03 = 11,379.69 : x
  2. Step 2: Convert to fraction form
    25,422.29/38,118.03 = 11,379.69/x
  3. Step 3: Cross multiply
    25,422.29x = 38,118.03 × 11,379.69
  4. Step 4: Simplify right side
    25,422.29x = 433,771,364.81
  5. Step 5: Solve for x
    x = 433,771,364.81/25,422.29
  6. Step 6: Final answer
    x = 17,062.64

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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.