Home / 20,572.60-30,849.72-6,528.64

Finding the Fourth Proportional to 20,572.60, 30,849.72 and 6,528.64

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Solution

The fourth proportional to 20,572.60, 30,849.72 and 6,528.64 is: 9,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.60 : 30,849.72 = 6,528.64 : x
  2. Step 2: Convert to fraction form
    20,572.60/30,849.72 = 6,528.64/x
  3. Step 3: Cross multiply
    20,572.60x = 30,849.72 × 6,528.64
  4. Step 4: Simplify right side
    20,572.60x = 201,406,715.98
  5. Step 5: Solve for x
    x = 201,406,715.98/20,572.60
  6. Step 6: Final answer
    x = 9,790.05

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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.