Home / 20,293.93-28,005.08-11,341.50

Finding the Fourth Proportional to 20,293.93, 28,005.08 and 11,341.50

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Solution

The fourth proportional to 20,293.93, 28,005.08 and 11,341.50 is: 15,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.93 : 28,005.08 = 11,341.50 : x
  2. Step 2: Convert to fraction form
    20,293.93/28,005.08 = 11,341.50/x
  3. Step 3: Cross multiply
    20,293.93x = 28,005.08 × 11,341.50
  4. Step 4: Simplify right side
    20,293.93x = 317,619,558.11
  5. Step 5: Solve for x
    x = 317,619,558.11/20,293.93
  6. Step 6: Final answer
    x = 15,650.97

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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.