Home / 28,807.03-43,209.73-15,742.14

Finding the Fourth Proportional to 28,807.03, 43,209.73 and 15,742.14

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Solution

The fourth proportional to 28,807.03, 43,209.73 and 15,742.14 is: 23,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.03 : 43,209.73 = 15,742.14 : x
  2. Step 2: Convert to fraction form
    28,807.03/43,209.73 = 15,742.14/x
  3. Step 3: Cross multiply
    28,807.03x = 43,209.73 × 15,742.14
  4. Step 4: Simplify right side
    28,807.03x = 680,213,619.02
  5. Step 5: Solve for x
    x = 680,213,619.02/28,807.03
  6. Step 6: Final answer
    x = 23,612.76

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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.