Home / 28,993.32-43,502.36-12,361.19

Finding the Fourth Proportional to 28,993.32, 43,502.36 and 12,361.19

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Solution

The fourth proportional to 28,993.32, 43,502.36 and 12,361.19 is: 18,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.32 : 43,502.36 = 12,361.19 : x
  2. Step 2: Convert to fraction form
    28,993.32/43,502.36 = 12,361.19/x
  3. Step 3: Cross multiply
    28,993.32x = 43,502.36 × 12,361.19
  4. Step 4: Simplify right side
    28,993.32x = 537,740,937.41
  5. Step 5: Solve for x
    x = 537,740,937.41/28,993.32
  6. Step 6: Final answer
    x = 18,547.06

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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.