Home / 20,352.08-28,084.26-11,397.50

Finding the Fourth Proportional to 20,352.08, 28,084.26 and 11,397.50

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Solution

The fourth proportional to 20,352.08, 28,084.26 and 11,397.50 is: 15,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.08 : 28,084.26 = 11,397.50 : x
  2. Step 2: Convert to fraction form
    20,352.08/28,084.26 = 11,397.50/x
  3. Step 3: Cross multiply
    20,352.08x = 28,084.26 × 11,397.50
  4. Step 4: Simplify right side
    20,352.08x = 320,090,353.35
  5. Step 5: Solve for x
    x = 320,090,353.35/20,352.08
  6. Step 6: Final answer
    x = 15,727.65

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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.