Home / 25,502.07-38,259.77-7,971.15

Finding the Fourth Proportional to 25,502.07, 38,259.77 and 7,971.15

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Solution

The fourth proportional to 25,502.07, 38,259.77 and 7,971.15 is: 11,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,502.07 : 38,259.77 = 7,971.15 : x
  2. Step 2: Convert to fraction form
    25,502.07/38,259.77 = 7,971.15/x
  3. Step 3: Cross multiply
    25,502.07x = 38,259.77 × 7,971.15
  4. Step 4: Simplify right side
    25,502.07x = 304,974,325.78
  5. Step 5: Solve for x
    x = 304,974,325.78/25,502.07
  6. Step 6: Final answer
    x = 11,958.81

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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.