Home / 26,317.72-39,445.90-9,665.20

Finding the Fourth Proportional to 26,317.72, 39,445.90 and 9,665.20

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Solution

The fourth proportional to 26,317.72, 39,445.90 and 9,665.20 is: 14,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.72 : 39,445.90 = 9,665.20 : x
  2. Step 2: Convert to fraction form
    26,317.72/39,445.90 = 9,665.20/x
  3. Step 3: Cross multiply
    26,317.72x = 39,445.90 × 9,665.20
  4. Step 4: Simplify right side
    26,317.72x = 381,252,512.68
  5. Step 5: Solve for x
    x = 381,252,512.68/26,317.72
  6. Step 6: Final answer
    x = 14,486.53

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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.