Home / 26,862.45-40,265.55-10,212.09

Finding the Fourth Proportional to 26,862.45, 40,265.55 and 10,212.09

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Solution

The fourth proportional to 26,862.45, 40,265.55 and 10,212.09 is: 15,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.45 : 40,265.55 = 10,212.09 : x
  2. Step 2: Convert to fraction form
    26,862.45/40,265.55 = 10,212.09/x
  3. Step 3: Cross multiply
    26,862.45x = 40,265.55 × 10,212.09
  4. Step 4: Simplify right side
    26,862.45x = 411,195,420.50
  5. Step 5: Solve for x
    x = 411,195,420.50/26,862.45
  6. Step 6: Final answer
    x = 15,307.44

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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.