Home / 26,157.60-39,214.20-11,355.36

Finding the Fourth Proportional to 26,157.60, 39,214.20 and 11,355.36

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Solution

The fourth proportional to 26,157.60, 39,214.20 and 11,355.36 is: 17,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,157.60 : 39,214.20 = 11,355.36 : x
  2. Step 2: Convert to fraction form
    26,157.60/39,214.20 = 11,355.36/x
  3. Step 3: Cross multiply
    26,157.60x = 39,214.20 × 11,355.36
  4. Step 4: Simplify right side
    26,157.60x = 445,291,358.11
  5. Step 5: Solve for x
    x = 445,291,358.11/26,157.60
  6. Step 6: Final answer
    x = 17,023.40

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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.