Home / 26,986.88-40,483.20-7,265.72

Finding the Fourth Proportional to 26,986.88, 40,483.20 and 7,265.72

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Solution

The fourth proportional to 26,986.88, 40,483.20 and 7,265.72 is: 10,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.88 : 40,483.20 = 7,265.72 : x
  2. Step 2: Convert to fraction form
    26,986.88/40,483.20 = 7,265.72/x
  3. Step 3: Cross multiply
    26,986.88x = 40,483.20 × 7,265.72
  4. Step 4: Simplify right side
    26,986.88x = 294,139,595.90
  5. Step 5: Solve for x
    x = 294,139,595.90/26,986.88
  6. Step 6: Final answer
    x = 10,899.36

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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.