Home / 21,351.13-32,026.69-5,768.75

Finding the Fourth Proportional to 21,351.13, 32,026.69 and 5,768.75

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Solution

The fourth proportional to 21,351.13, 32,026.69 and 5,768.75 is: 8,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.13 : 32,026.69 = 5,768.75 : x
  2. Step 2: Convert to fraction form
    21,351.13/32,026.69 = 5,768.75/x
  3. Step 3: Cross multiply
    21,351.13x = 32,026.69 × 5,768.75
  4. Step 4: Simplify right side
    21,351.13x = 184,753,967.94
  5. Step 5: Solve for x
    x = 184,753,967.94/21,351.13
  6. Step 6: Final answer
    x = 8,653.12

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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.