Home / 26,609.08-39,938.24-13,470.68

Finding the Fourth Proportional to 26,609.08, 39,938.24 and 13,470.68

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Solution

The fourth proportional to 26,609.08, 39,938.24 and 13,470.68 is: 20,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.08 : 39,938.24 = 13,470.68 : x
  2. Step 2: Convert to fraction form
    26,609.08/39,938.24 = 13,470.68/x
  3. Step 3: Cross multiply
    26,609.08x = 39,938.24 × 13,470.68
  4. Step 4: Simplify right side
    26,609.08x = 537,995,250.80
  5. Step 5: Solve for x
    x = 537,995,250.80/26,609.08
  6. Step 6: Final answer
    x = 20,218.48

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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.