Home / 19,032.67-28,499.80-13,127.77

Finding the Fourth Proportional to 19,032.67, 28,499.80 and 13,127.77

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Solution

The fourth proportional to 19,032.67, 28,499.80 and 13,127.77 is: 19,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.67 : 28,499.80 = 13,127.77 : x
  2. Step 2: Convert to fraction form
    19,032.67/28,499.80 = 13,127.77/x
  3. Step 3: Cross multiply
    19,032.67x = 28,499.80 × 13,127.77
  4. Step 4: Simplify right side
    19,032.67x = 374,138,846.87
  5. Step 5: Solve for x
    x = 374,138,846.87/19,032.67
  6. Step 6: Final answer
    x = 19,657.72

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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.