Home / 20,355.24-28,061.30-14,968.20

Finding the Fourth Proportional to 20,355.24, 28,061.30 and 14,968.20

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Solution

The fourth proportional to 20,355.24, 28,061.30 and 14,968.20 is: 20,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.24 : 28,061.30 = 14,968.20 : x
  2. Step 2: Convert to fraction form
    20,355.24/28,061.30 = 14,968.20/x
  3. Step 3: Cross multiply
    20,355.24x = 28,061.30 × 14,968.20
  4. Step 4: Simplify right side
    20,355.24x = 420,027,150.66
  5. Step 5: Solve for x
    x = 420,027,150.66/20,355.24
  6. Step 6: Final answer
    x = 20,634.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.