Home / 26,615.36-39,930.60-13,465.28

Finding the Fourth Proportional to 26,615.36, 39,930.60 and 13,465.28

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Solution

The fourth proportional to 26,615.36, 39,930.60 and 13,465.28 is: 20,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.36 : 39,930.60 = 13,465.28 : x
  2. Step 2: Convert to fraction form
    26,615.36/39,930.60 = 13,465.28/x
  3. Step 3: Cross multiply
    26,615.36x = 39,930.60 × 13,465.28
  4. Step 4: Simplify right side
    26,615.36x = 537,676,709.57
  5. Step 5: Solve for x
    x = 537,676,709.57/26,615.36
  6. Step 6: Final answer
    x = 20,201.74

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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.