Home / 35,726.88-53,512.32-17,220

Finding the Fourth Proportional to 35,726.88, 53,512.32 and 17,220

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Solution

The fourth proportional to 35,726.88, 53,512.32 and 17,220 is: 25,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,726.88 : 53,512.32 = 17,220 : x
  2. Step 2: Convert to fraction form
    35,726.88/53,512.32 = 17,220/x
  3. Step 3: Cross multiply
    35,726.88x = 53,512.32 × 17,220
  4. Step 4: Simplify right side
    35,726.88x = 921,482,150.40
  5. Step 5: Solve for x
    x = 921,482,150.40/35,726.88
  6. Step 6: Final answer
    x = 25,792.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.