Home / 19,079.77-28,621.02-5,039.66

Finding the Fourth Proportional to 19,079.77, 28,621.02 and 5,039.66

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Solution

The fourth proportional to 19,079.77, 28,621.02 and 5,039.66 is: 7,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.77 : 28,621.02 = 5,039.66 : x
  2. Step 2: Convert to fraction form
    19,079.77/28,621.02 = 5,039.66/x
  3. Step 3: Cross multiply
    19,079.77x = 28,621.02 × 5,039.66
  4. Step 4: Simplify right side
    19,079.77x = 144,240,129.66
  5. Step 5: Solve for x
    x = 144,240,129.66/19,079.77
  6. Step 6: Final answer
    x = 7,559.85

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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.