Home / 19,132.52-28,699.74-13,569.98

Finding the Fourth Proportional to 19,132.52, 28,699.74 and 13,569.98

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Solution

The fourth proportional to 19,132.52, 28,699.74 and 13,569.98 is: 20,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.52 : 28,699.74 = 13,569.98 : x
  2. Step 2: Convert to fraction form
    19,132.52/28,699.74 = 13,569.98/x
  3. Step 3: Cross multiply
    19,132.52x = 28,699.74 × 13,569.98
  4. Step 4: Simplify right side
    19,132.52x = 389,454,754.31
  5. Step 5: Solve for x
    x = 389,454,754.31/19,132.52
  6. Step 6: Final answer
    x = 20,355.65

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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.