Home / 25,113.68-34,656.62-13,783.28

Finding the Fourth Proportional to 25,113.68, 34,656.62 and 13,783.28

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Solution

The fourth proportional to 25,113.68, 34,656.62 and 13,783.28 is: 19,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.68 : 34,656.62 = 13,783.28 : x
  2. Step 2: Convert to fraction form
    25,113.68/34,656.62 = 13,783.28/x
  3. Step 3: Cross multiply
    25,113.68x = 34,656.62 × 13,783.28
  4. Step 4: Simplify right side
    25,113.68x = 477,681,897.31
  5. Step 5: Solve for x
    x = 477,681,897.31/25,113.68
  6. Step 6: Final answer
    x = 19,020.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.