Home / 28,836.77-43,261.29-9,116.91

Finding the Fourth Proportional to 28,836.77, 43,261.29 and 9,116.91

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Solution

The fourth proportional to 28,836.77, 43,261.29 and 9,116.91 is: 13,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.77 : 43,261.29 = 9,116.91 : x
  2. Step 2: Convert to fraction form
    28,836.77/43,261.29 = 9,116.91/x
  3. Step 3: Cross multiply
    28,836.77x = 43,261.29 × 9,116.91
  4. Step 4: Simplify right side
    28,836.77x = 394,409,287.41
  5. Step 5: Solve for x
    x = 394,409,287.41/28,836.77
  6. Step 6: Final answer
    x = 13,677.31

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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.