Home / 19,812.88-29,552.33-18,435.04

Finding the Fourth Proportional to 19,812.88, 29,552.33 and 18,435.04

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Solution

The fourth proportional to 19,812.88, 29,552.33 and 18,435.04 is: 27,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.88 : 29,552.33 = 18,435.04 : x
  2. Step 2: Convert to fraction form
    19,812.88/29,552.33 = 18,435.04/x
  3. Step 3: Cross multiply
    19,812.88x = 29,552.33 × 18,435.04
  4. Step 4: Simplify right side
    19,812.88x = 544,798,385.64
  5. Step 5: Solve for x
    x = 544,798,385.64/19,812.88
  6. Step 6: Final answer
    x = 27,497.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.