Home / 19,277.04-28,917.48-8,891.76

Finding the Fourth Proportional to 19,277.04, 28,917.48 and 8,891.76

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Solution

The fourth proportional to 19,277.04, 28,917.48 and 8,891.76 is: 13,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.04 : 28,917.48 = 8,891.76 : x
  2. Step 2: Convert to fraction form
    19,277.04/28,917.48 = 8,891.76/x
  3. Step 3: Cross multiply
    19,277.04x = 28,917.48 × 8,891.76
  4. Step 4: Simplify right side
    19,277.04x = 257,127,291.96
  5. Step 5: Solve for x
    x = 257,127,291.96/19,277.04
  6. Step 6: Final answer
    x = 13,338.53

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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.