Home / 26,447.10-39,615.45-12,419.10

Finding the Fourth Proportional to 26,447.10, 39,615.45 and 12,419.10

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Solution

The fourth proportional to 26,447.10, 39,615.45 and 12,419.10 is: 18,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.10 : 39,615.45 = 12,419.10 : x
  2. Step 2: Convert to fraction form
    26,447.10/39,615.45 = 12,419.10/x
  3. Step 3: Cross multiply
    26,447.10x = 39,615.45 × 12,419.10
  4. Step 4: Simplify right side
    26,447.10x = 491,988,235.10
  5. Step 5: Solve for x
    x = 491,988,235.10/26,447.10
  6. Step 6: Final answer
    x = 18,602.73

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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.