Home / 26,914.75-40,372.14-12,871.46

Finding the Fourth Proportional to 26,914.75, 40,372.14 and 12,871.46

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Solution

The fourth proportional to 26,914.75, 40,372.14 and 12,871.46 is: 19,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,914.75 : 40,372.14 = 12,871.46 : x
  2. Step 2: Convert to fraction form
    26,914.75/40,372.14 = 12,871.46/x
  3. Step 3: Cross multiply
    26,914.75x = 40,372.14 × 12,871.46
  4. Step 4: Simplify right side
    26,914.75x = 519,648,385.12
  5. Step 5: Solve for x
    x = 519,648,385.12/26,914.75
  6. Step 6: Final answer
    x = 19,307.20

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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.