Home / 28,823.40-43,238.67-9,851.19

Finding the Fourth Proportional to 28,823.40, 43,238.67 and 9,851.19

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Solution

The fourth proportional to 28,823.40, 43,238.67 and 9,851.19 is: 14,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.40 : 43,238.67 = 9,851.19 : x
  2. Step 2: Convert to fraction form
    28,823.40/43,238.67 = 9,851.19/x
  3. Step 3: Cross multiply
    28,823.40x = 43,238.67 × 9,851.19
  4. Step 4: Simplify right side
    28,823.40x = 425,952,353.52
  5. Step 5: Solve for x
    x = 425,952,353.52/28,823.40
  6. Step 6: Final answer
    x = 14,778.01

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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.