Home / 28,885.30-43,364.40-15,568.90

Finding the Fourth Proportional to 28,885.30, 43,364.40 and 15,568.90

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Solution

The fourth proportional to 28,885.30, 43,364.40 and 15,568.90 is: 23,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.30 : 43,364.40 = 15,568.90 : x
  2. Step 2: Convert to fraction form
    28,885.30/43,364.40 = 15,568.90/x
  3. Step 3: Cross multiply
    28,885.30x = 43,364.40 × 15,568.90
  4. Step 4: Simplify right side
    28,885.30x = 675,136,007.16
  5. Step 5: Solve for x
    x = 675,136,007.16/28,885.30
  6. Step 6: Final answer
    x = 23,373.00

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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.