Home / 27,790.98-38,355.27-16,459.59

Finding the Fourth Proportional to 27,790.98, 38,355.27 and 16,459.59

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Solution

The fourth proportional to 27,790.98, 38,355.27 and 16,459.59 is: 22,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.98 : 38,355.27 = 16,459.59 : x
  2. Step 2: Convert to fraction form
    27,790.98/38,355.27 = 16,459.59/x
  3. Step 3: Cross multiply
    27,790.98x = 38,355.27 × 16,459.59
  4. Step 4: Simplify right side
    27,790.98x = 631,312,018.54
  5. Step 5: Solve for x
    x = 631,312,018.54/27,790.98
  6. Step 6: Final answer
    x = 22,716.44

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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.