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Finding the Fourth Proportional to 35,438, 53,157 and 14,662.04

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Solution

The fourth proportional to 35,438, 53,157 and 14,662.04 is: 21,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438 : 53,157 = 14,662.04 : x
  2. Step 2: Convert to fraction form
    35,438/53,157 = 14,662.04/x
  3. Step 3: Cross multiply
    35,438x = 53,157 × 14,662.04
  4. Step 4: Simplify right side
    35,438x = 779,390,060.28
  5. Step 5: Solve for x
    x = 779,390,060.28/35,438
  6. Step 6: Final answer
    x = 21,993.06

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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.