Home / 26,483.84-36,558.11-15,871.42

Finding the Fourth Proportional to 26,483.84, 36,558.11 and 15,871.42

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Solution

The fourth proportional to 26,483.84, 36,558.11 and 15,871.42 is: 21,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.84 : 36,558.11 = 15,871.42 : x
  2. Step 2: Convert to fraction form
    26,483.84/36,558.11 = 15,871.42/x
  3. Step 3: Cross multiply
    26,483.84x = 36,558.11 × 15,871.42
  4. Step 4: Simplify right side
    26,483.84x = 580,228,947.46
  5. Step 5: Solve for x
    x = 580,228,947.46/26,483.84
  6. Step 6: Final answer
    x = 21,908.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.