Home / 38,268.15-57,402.34-11,614.35

Finding the Fourth Proportional to 38,268.15, 57,402.34 and 11,614.35

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Solution

The fourth proportional to 38,268.15, 57,402.34 and 11,614.35 is: 17,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.15 : 57,402.34 = 11,614.35 : x
  2. Step 2: Convert to fraction form
    38,268.15/57,402.34 = 11,614.35/x
  3. Step 3: Cross multiply
    38,268.15x = 57,402.34 × 11,614.35
  4. Step 4: Simplify right side
    38,268.15x = 666,691,053.80
  5. Step 5: Solve for x
    x = 666,691,053.80/38,268.15
  6. Step 6: Final answer
    x = 17,421.57

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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.