Home / 28,080.49-42,116.17-9,360.68

Finding the Fourth Proportional to 28,080.49, 42,116.17 and 9,360.68

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Solution

The fourth proportional to 28,080.49, 42,116.17 and 9,360.68 is: 14,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.49 : 42,116.17 = 9,360.68 : x
  2. Step 2: Convert to fraction form
    28,080.49/42,116.17 = 9,360.68/x
  3. Step 3: Cross multiply
    28,080.49x = 42,116.17 × 9,360.68
  4. Step 4: Simplify right side
    28,080.49x = 394,236,010.67
  5. Step 5: Solve for x
    x = 394,236,010.67/28,080.49
  6. Step 6: Final answer
    x = 14,039.50

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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.