Home / 21,361.48-29,488.80-14,292.52

Finding the Fourth Proportional to 21,361.48, 29,488.80 and 14,292.52

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Solution

The fourth proportional to 21,361.48, 29,488.80 and 14,292.52 is: 19,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.48 : 29,488.80 = 14,292.52 : x
  2. Step 2: Convert to fraction form
    21,361.48/29,488.80 = 14,292.52/x
  3. Step 3: Cross multiply
    21,361.48x = 29,488.80 × 14,292.52
  4. Step 4: Simplify right side
    21,361.48x = 421,469,263.78
  5. Step 5: Solve for x
    x = 421,469,263.78/21,361.48
  6. Step 6: Final answer
    x = 19,730.34

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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.