Home / 21,788.55-32,679.73-6,995.55

Finding the Fourth Proportional to 21,788.55, 32,679.73 and 6,995.55

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Solution

The fourth proportional to 21,788.55, 32,679.73 and 6,995.55 is: 10,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,788.55 : 32,679.73 = 6,995.55 : x
  2. Step 2: Convert to fraction form
    21,788.55/32,679.73 = 6,995.55/x
  3. Step 3: Cross multiply
    21,788.55x = 32,679.73 × 6,995.55
  4. Step 4: Simplify right side
    21,788.55x = 228,612,685.20
  5. Step 5: Solve for x
    x = 228,612,685.20/21,788.55
  6. Step 6: Final answer
    x = 10,492.33

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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.