Home / 28,909.32-43,437.06-27,742.92

Finding the Fourth Proportional to 28,909.32, 43,437.06 and 27,742.92

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Solution

The fourth proportional to 28,909.32, 43,437.06 and 27,742.92 is: 41,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.32 : 43,437.06 = 27,742.92 : x
  2. Step 2: Convert to fraction form
    28,909.32/43,437.06 = 27,742.92/x
  3. Step 3: Cross multiply
    28,909.32x = 43,437.06 × 27,742.92
  4. Step 4: Simplify right side
    28,909.32x = 1,205,070,880.62
  5. Step 5: Solve for x
    x = 1,205,070,880.62/28,909.32
  6. Step 6: Final answer
    x = 41,684.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.