Home / 21,924.84-30,258.86-21,235.94

Finding the Fourth Proportional to 21,924.84, 30,258.86 and 21,235.94

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Solution

The fourth proportional to 21,924.84, 30,258.86 and 21,235.94 is: 29,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.84 : 30,258.86 = 21,235.94 : x
  2. Step 2: Convert to fraction form
    21,924.84/30,258.86 = 21,235.94/x
  3. Step 3: Cross multiply
    21,924.84x = 30,258.86 × 21,235.94
  4. Step 4: Simplify right side
    21,924.84x = 642,575,077.95
  5. Step 5: Solve for x
    x = 642,575,077.95/21,924.84
  6. Step 6: Final answer
    x = 29,308.09

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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.