Home / 19,079.77-28,479.29-17,742.73

Finding the Fourth Proportional to 19,079.77, 28,479.29 and 17,742.73

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Solution

The fourth proportional to 19,079.77, 28,479.29 and 17,742.73 is: 26,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.77 : 28,479.29 = 17,742.73 : x
  2. Step 2: Convert to fraction form
    19,079.77/28,479.29 = 17,742.73/x
  3. Step 3: Cross multiply
    19,079.77x = 28,479.29 × 17,742.73
  4. Step 4: Simplify right side
    19,079.77x = 505,300,353.06
  5. Step 5: Solve for x
    x = 505,300,353.06/19,079.77
  6. Step 6: Final answer
    x = 26,483.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.