Home / 27,877.60-38,453.59-16,539.07

Finding the Fourth Proportional to 27,877.60, 38,453.59 and 16,539.07

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Solution

The fourth proportional to 27,877.60, 38,453.59 and 16,539.07 is: 22,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.60 : 38,453.59 = 16,539.07 : x
  2. Step 2: Convert to fraction form
    27,877.60/38,453.59 = 16,539.07/x
  3. Step 3: Cross multiply
    27,877.60x = 38,453.59 × 16,539.07
  4. Step 4: Simplify right side
    27,877.60x = 635,986,479.28
  5. Step 5: Solve for x
    x = 635,986,479.28/27,877.60
  6. Step 6: Final answer
    x = 22,813.53

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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.