Home / 28,177.74-38,885.22-16,241.00

Finding the Fourth Proportional to 28,177.74, 38,885.22 and 16,241.00

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Solution

The fourth proportional to 28,177.74, 38,885.22 and 16,241.00 is: 22,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.74 : 38,885.22 = 16,241.00 : x
  2. Step 2: Convert to fraction form
    28,177.74/38,885.22 = 16,241.00/x
  3. Step 3: Cross multiply
    28,177.74x = 38,885.22 × 16,241.00
  4. Step 4: Simplify right side
    28,177.74x = 631,534,663.59
  5. Step 5: Solve for x
    x = 631,534,663.59/28,177.74
  6. Step 6: Final answer
    x = 22,412.54

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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.