Home / 26,363.84-36,381-15,759.32

Finding the Fourth Proportional to 26,363.84, 36,381 and 15,759.32

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Solution

The fourth proportional to 26,363.84, 36,381 and 15,759.32 is: 21,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,363.84 : 36,381 = 15,759.32 : x
  2. Step 2: Convert to fraction form
    26,363.84/36,381 = 15,759.32/x
  3. Step 3: Cross multiply
    26,363.84x = 36,381 × 15,759.32
  4. Step 4: Simplify right side
    26,363.84x = 573,339,820.92
  5. Step 5: Solve for x
    x = 573,339,820.92/26,363.84
  6. Step 6: Final answer
    x = 21,747.20

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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.