Home / 28,630.13-39,509.60-16,054.88

Finding the Fourth Proportional to 28,630.13, 39,509.60 and 16,054.88

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Solution

The fourth proportional to 28,630.13, 39,509.60 and 16,054.88 is: 22,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.13 : 39,509.60 = 16,054.88 : x
  2. Step 2: Convert to fraction form
    28,630.13/39,509.60 = 16,054.88/x
  3. Step 3: Cross multiply
    28,630.13x = 39,509.60 × 16,054.88
  4. Step 4: Simplify right side
    28,630.13x = 634,321,609.03
  5. Step 5: Solve for x
    x = 634,321,609.03/28,630.13
  6. Step 6: Final answer
    x = 22,155.74

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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.