Home / 35,405.29-53,140.80-17,887.42

Finding the Fourth Proportional to 35,405.29, 53,140.80 and 17,887.42

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Solution

The fourth proportional to 35,405.29, 53,140.80 and 17,887.42 is: 26,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.29 : 53,140.80 = 17,887.42 : x
  2. Step 2: Convert to fraction form
    35,405.29/53,140.80 = 17,887.42/x
  3. Step 3: Cross multiply
    35,405.29x = 53,140.80 × 17,887.42
  4. Step 4: Simplify right side
    35,405.29x = 950,551,808.74
  5. Step 5: Solve for x
    x = 950,551,808.74/35,405.29
  6. Step 6: Final answer
    x = 26,847.73

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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.