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Finding the Fourth Proportional to 35,851.72, 53,737.24 and 17,396.68

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Solution

The fourth proportional to 35,851.72, 53,737.24 and 17,396.68 is: 26,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.72 : 53,737.24 = 17,396.68 : x
  2. Step 2: Convert to fraction form
    35,851.72/53,737.24 = 17,396.68/x
  3. Step 3: Cross multiply
    35,851.72x = 53,737.24 × 17,396.68
  4. Step 4: Simplify right side
    35,851.72x = 934,849,568.36
  5. Step 5: Solve for x
    x = 934,849,568.36/35,851.72
  6. Step 6: Final answer
    x = 26,075.45

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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.