Home / 26,524.04-39,781.58-8,749.20

Finding the Fourth Proportional to 26,524.04, 39,781.58 and 8,749.20

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Solution

The fourth proportional to 26,524.04, 39,781.58 and 8,749.20 is: 13,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,524.04 : 39,781.58 = 8,749.20 : x
  2. Step 2: Convert to fraction form
    26,524.04/39,781.58 = 8,749.20/x
  3. Step 3: Cross multiply
    26,524.04x = 39,781.58 × 8,749.20
  4. Step 4: Simplify right side
    26,524.04x = 348,056,999.74
  5. Step 5: Solve for x
    x = 348,056,999.74/26,524.04
  6. Step 6: Final answer
    x = 13,122.32

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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.