Home / 28,833.09-43,254.90-9,117.15

Finding the Fourth Proportional to 28,833.09, 43,254.90 and 9,117.15

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Solution

The fourth proportional to 28,833.09, 43,254.90 and 9,117.15 is: 13,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.09 : 43,254.90 = 9,117.15 : x
  2. Step 2: Convert to fraction form
    28,833.09/43,254.90 = 9,117.15/x
  3. Step 3: Cross multiply
    28,833.09x = 43,254.90 × 9,117.15
  4. Step 4: Simplify right side
    28,833.09x = 394,361,411.54
  5. Step 5: Solve for x
    x = 394,361,411.54/28,833.09
  6. Step 6: Final answer
    x = 13,677.39

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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.