Home / 28,079.31-42,116.09-9,357.33

Finding the Fourth Proportional to 28,079.31, 42,116.09 and 9,357.33

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Solution

The fourth proportional to 28,079.31, 42,116.09 and 9,357.33 is: 14,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.31 : 42,116.09 = 9,357.33 : x
  2. Step 2: Convert to fraction form
    28,079.31/42,116.09 = 9,357.33/x
  3. Step 3: Cross multiply
    28,079.31x = 42,116.09 × 9,357.33
  4. Step 4: Simplify right side
    28,079.31x = 394,094,263.59
  5. Step 5: Solve for x
    x = 394,094,263.59/28,079.31
  6. Step 6: Final answer
    x = 14,035.04

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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.