Home / 26,378.03-36,404.15-15,767.43

Finding the Fourth Proportional to 26,378.03, 36,404.15 and 15,767.43

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Solution

The fourth proportional to 26,378.03, 36,404.15 and 15,767.43 is: 21,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.03 : 36,404.15 = 15,767.43 : x
  2. Step 2: Convert to fraction form
    26,378.03/36,404.15 = 15,767.43/x
  3. Step 3: Cross multiply
    26,378.03x = 36,404.15 × 15,767.43
  4. Step 4: Simplify right side
    26,378.03x = 573,999,886.83
  5. Step 5: Solve for x
    x = 573,999,886.83/26,378.03
  6. Step 6: Final answer
    x = 21,760.53

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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.