Home / 26,272.80-39,387.60-13,960.80

Finding the Fourth Proportional to 26,272.80, 39,387.60 and 13,960.80

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Solution

The fourth proportional to 26,272.80, 39,387.60 and 13,960.80 is: 20,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.80 : 39,387.60 = 13,960.80 : x
  2. Step 2: Convert to fraction form
    26,272.80/39,387.60 = 13,960.80/x
  3. Step 3: Cross multiply
    26,272.80x = 39,387.60 × 13,960.80
  4. Step 4: Simplify right side
    26,272.80x = 549,882,406.08
  5. Step 5: Solve for x
    x = 549,882,406.08/26,272.80
  6. Step 6: Final answer
    x = 20,929.72

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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.