Home / 26,757.72-39,973.85-17,320.86

Finding the Fourth Proportional to 26,757.72, 39,973.85 and 17,320.86

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Solution

The fourth proportional to 26,757.72, 39,973.85 and 17,320.86 is: 25,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.72 : 39,973.85 = 17,320.86 : x
  2. Step 2: Convert to fraction form
    26,757.72/39,973.85 = 17,320.86/x
  3. Step 3: Cross multiply
    26,757.72x = 39,973.85 × 17,320.86
  4. Step 4: Simplify right side
    26,757.72x = 692,381,372.91
  5. Step 5: Solve for x
    x = 692,381,372.91/26,757.72
  6. Step 6: Final answer
    x = 25,875.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.