Home / 26,871.48-40,307.31-8,151.68

Finding the Fourth Proportional to 26,871.48, 40,307.31 and 8,151.68

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Solution

The fourth proportional to 26,871.48, 40,307.31 and 8,151.68 is: 12,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.48 : 40,307.31 = 8,151.68 : x
  2. Step 2: Convert to fraction form
    26,871.48/40,307.31 = 8,151.68/x
  3. Step 3: Cross multiply
    26,871.48x = 40,307.31 × 8,151.68
  4. Step 4: Simplify right side
    26,871.48x = 328,572,292.78
  5. Step 5: Solve for x
    x = 328,572,292.78/26,871.48
  6. Step 6: Final answer
    x = 12,227.55

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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.