Home / 23,720.28-32,631.54-20,509.62

Finding the Fourth Proportional to 23,720.28, 32,631.54 and 20,509.62

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Solution

The fourth proportional to 23,720.28, 32,631.54 and 20,509.62 is: 28,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.28 : 32,631.54 = 20,509.62 : x
  2. Step 2: Convert to fraction form
    23,720.28/32,631.54 = 20,509.62/x
  3. Step 3: Cross multiply
    23,720.28x = 32,631.54 × 20,509.62
  4. Step 4: Simplify right side
    23,720.28x = 669,260,485.41
  5. Step 5: Solve for x
    x = 669,260,485.41/23,720.28
  6. Step 6: Final answer
    x = 28,214.70

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