Home / 28,848.40-43,277.10-9,125.08

Finding the Fourth Proportional to 28,848.40, 43,277.10 and 9,125.08

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Solution

The fourth proportional to 28,848.40, 43,277.10 and 9,125.08 is: 13,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.40 : 43,277.10 = 9,125.08 : x
  2. Step 2: Convert to fraction form
    28,848.40/43,277.10 = 9,125.08/x
  3. Step 3: Cross multiply
    28,848.40x = 43,277.10 × 9,125.08
  4. Step 4: Simplify right side
    28,848.40x = 394,906,999.67
  5. Step 5: Solve for x
    x = 394,906,999.67/28,848.40
  6. Step 6: Final answer
    x = 13,689.04

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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.