Home / 26,214.52-39,288.95-20,645.88

Finding the Fourth Proportional to 26,214.52, 39,288.95 and 20,645.88

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Solution

The fourth proportional to 26,214.52, 39,288.95 and 20,645.88 is: 30,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,214.52 : 39,288.95 = 20,645.88 : x
  2. Step 2: Convert to fraction form
    26,214.52/39,288.95 = 20,645.88/x
  3. Step 3: Cross multiply
    26,214.52x = 39,288.95 × 20,645.88
  4. Step 4: Simplify right side
    26,214.52x = 811,154,947.03
  5. Step 5: Solve for x
    x = 811,154,947.03/26,214.52
  6. Step 6: Final answer
    x = 30,942.96

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1.5x scale

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.