Home / 28,227.60-38,954.91-16,291.59

Finding the Fourth Proportional to 28,227.60, 38,954.91 and 16,291.59

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Solution

The fourth proportional to 28,227.60, 38,954.91 and 16,291.59 is: 22,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.60 : 38,954.91 = 16,291.59 : x
  2. Step 2: Convert to fraction form
    28,227.60/38,954.91 = 16,291.59/x
  3. Step 3: Cross multiply
    28,227.60x = 38,954.91 × 16,291.59
  4. Step 4: Simplify right side
    28,227.60x = 634,637,422.21
  5. Step 5: Solve for x
    x = 634,637,422.21/28,227.60
  6. Step 6: Final answer
    x = 22,482.87

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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.