Home / 23,451.60-32,378.30-20,929.38

Finding the Fourth Proportional to 23,451.60, 32,378.30 and 20,929.38

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Solution

The fourth proportional to 23,451.60, 32,378.30 and 20,929.38 is: 28,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,451.60 : 32,378.30 = 20,929.38 : x
  2. Step 2: Convert to fraction form
    23,451.60/32,378.30 = 20,929.38/x
  3. Step 3: Cross multiply
    23,451.60x = 32,378.30 × 20,929.38
  4. Step 4: Simplify right side
    23,451.60x = 677,657,744.45
  5. Step 5: Solve for x
    x = 677,657,744.45/23,451.60
  6. Step 6: Final answer
    x = 28,896.01

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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.