Home / 21,572.28-29,759.82-15,594.48

Finding the Fourth Proportional to 21,572.28, 29,759.82 and 15,594.48

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Solution

The fourth proportional to 21,572.28, 29,759.82 and 15,594.48 is: 21,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.28 : 29,759.82 = 15,594.48 : x
  2. Step 2: Convert to fraction form
    21,572.28/29,759.82 = 15,594.48/x
  3. Step 3: Cross multiply
    21,572.28x = 29,759.82 × 15,594.48
  4. Step 4: Simplify right side
    21,572.28x = 464,088,917.79
  5. Step 5: Solve for x
    x = 464,088,917.79/21,572.28
  6. Step 6: Final answer
    x = 21,513.21

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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.