Home / 26,011.56-39,104.33-20,530.97

Finding the Fourth Proportional to 26,011.56, 39,104.33 and 20,530.97

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Solution

The fourth proportional to 26,011.56, 39,104.33 and 20,530.97 is: 30,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,011.56 : 39,104.33 = 20,530.97 : x
  2. Step 2: Convert to fraction form
    26,011.56/39,104.33 = 20,530.97/x
  3. Step 3: Cross multiply
    26,011.56x = 39,104.33 × 20,530.97
  4. Step 4: Simplify right side
    26,011.56x = 802,849,826.10
  5. Step 5: Solve for x
    x = 802,849,826.10/26,011.56
  6. Step 6: Final answer
    x = 30,865.12

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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.