Home / 21,569.76-29,784.24-14,519.52

Finding the Fourth Proportional to 21,569.76, 29,784.24 and 14,519.52

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Solution

The fourth proportional to 21,569.76, 29,784.24 and 14,519.52 is: 20,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.76 : 29,784.24 = 14,519.52 : x
  2. Step 2: Convert to fraction form
    21,569.76/29,784.24 = 14,519.52/x
  3. Step 3: Cross multiply
    21,569.76x = 29,784.24 × 14,519.52
  4. Step 4: Simplify right side
    21,569.76x = 432,452,868.36
  5. Step 5: Solve for x
    x = 432,452,868.36/21,569.76
  6. Step 6: Final answer
    x = 20,049.03

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1.5x scale

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.