Home / 20,426.08-30,632.72-6,572

Finding the Fourth Proportional to 20,426.08, 30,632.72 and 6,572

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Solution

The fourth proportional to 20,426.08, 30,632.72 and 6,572 is: 9,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426.08 : 30,632.72 = 6,572 : x
  2. Step 2: Convert to fraction form
    20,426.08/30,632.72 = 6,572/x
  3. Step 3: Cross multiply
    20,426.08x = 30,632.72 × 6,572
  4. Step 4: Simplify right side
    20,426.08x = 201,318,235.84
  5. Step 5: Solve for x
    x = 201,318,235.84/20,426.08
  6. Step 6: Final answer
    x = 9,855.94

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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.