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Finding the Fourth Proportional to 35,878.51, 53,817.80 and 17,154.14

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Solution

The fourth proportional to 35,878.51, 53,817.80 and 17,154.14 is: 25,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878.51 : 53,817.80 = 17,154.14 : x
  2. Step 2: Convert to fraction form
    35,878.51/53,817.80 = 17,154.14/x
  3. Step 3: Cross multiply
    35,878.51x = 53,817.80 × 17,154.14
  4. Step 4: Simplify right side
    35,878.51x = 923,198,075.69
  5. Step 5: Solve for x
    x = 923,198,075.69/35,878.51
  6. Step 6: Final answer
    x = 25,731.23

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1.5x scale

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.