Home / 21,263.35-29,383.92-15,948.94

Finding the Fourth Proportional to 21,263.35, 29,383.92 and 15,948.94

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Solution

The fourth proportional to 21,263.35, 29,383.92 and 15,948.94 is: 22,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.35 : 29,383.92 = 15,948.94 : x
  2. Step 2: Convert to fraction form
    21,263.35/29,383.92 = 15,948.94/x
  3. Step 3: Cross multiply
    21,263.35x = 29,383.92 × 15,948.94
  4. Step 4: Simplify right side
    21,263.35x = 468,642,377.04
  5. Step 5: Solve for x
    x = 468,642,377.04/21,263.35
  6. Step 6: Final answer
    x = 22,039.91

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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.