Home / 26,327.76-36,326.52-15,715.68

Finding the Fourth Proportional to 26,327.76, 36,326.52 and 15,715.68

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Solution

The fourth proportional to 26,327.76, 36,326.52 and 15,715.68 is: 21,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.76 : 36,326.52 = 15,715.68 : x
  2. Step 2: Convert to fraction form
    26,327.76/36,326.52 = 15,715.68/x
  3. Step 3: Cross multiply
    26,327.76x = 36,326.52 × 15,715.68
  4. Step 4: Simplify right side
    26,327.76x = 570,895,963.83
  5. Step 5: Solve for x
    x = 570,895,963.83/26,327.76
  6. Step 6: Final answer
    x = 21,684.18

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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.