Home / 21,929.52-30,252.48-14,373.84

Finding the Fourth Proportional to 21,929.52, 30,252.48 and 14,373.84

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Solution

The fourth proportional to 21,929.52, 30,252.48 and 14,373.84 is: 19,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.52 : 30,252.48 = 14,373.84 : x
  2. Step 2: Convert to fraction form
    21,929.52/30,252.48 = 14,373.84/x
  3. Step 3: Cross multiply
    21,929.52x = 30,252.48 × 14,373.84
  4. Step 4: Simplify right side
    21,929.52x = 434,844,307.12
  5. Step 5: Solve for x
    x = 434,844,307.12/21,929.52
  6. Step 6: Final answer
    x = 19,829.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.