Home / 19,256.80-28,879.44-10,017.76

Finding the Fourth Proportional to 19,256.80, 28,879.44 and 10,017.76

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Solution

The fourth proportional to 19,256.80, 28,879.44 and 10,017.76 is: 15,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.80 : 28,879.44 = 10,017.76 : x
  2. Step 2: Convert to fraction form
    19,256.80/28,879.44 = 10,017.76/x
  3. Step 3: Cross multiply
    19,256.80x = 28,879.44 × 10,017.76
  4. Step 4: Simplify right side
    19,256.80x = 289,307,298.85
  5. Step 5: Solve for x
    x = 289,307,298.85/19,256.80
  6. Step 6: Final answer
    x = 15,023.64

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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.