Home / 25,561.64-38,350.30-13,090.42

Finding the Fourth Proportional to 25,561.64, 38,350.30 and 13,090.42

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Solution

The fourth proportional to 25,561.64, 38,350.30 and 13,090.42 is: 19,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.64 : 38,350.30 = 13,090.42 : x
  2. Step 2: Convert to fraction form
    25,561.64/38,350.30 = 13,090.42/x
  3. Step 3: Cross multiply
    25,561.64x = 38,350.30 × 13,090.42
  4. Step 4: Simplify right side
    25,561.64x = 502,021,534.13
  5. Step 5: Solve for x
    x = 502,021,534.13/25,561.64
  6. Step 6: Final answer
    x = 19,639.64

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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.