Home / 25,167.56-34,731.18-13,989.56

Finding the Fourth Proportional to 25,167.56, 34,731.18 and 13,989.56

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Solution

The fourth proportional to 25,167.56, 34,731.18 and 13,989.56 is: 19,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.56 : 34,731.18 = 13,989.56 : x
  2. Step 2: Convert to fraction form
    25,167.56/34,731.18 = 13,989.56/x
  3. Step 3: Cross multiply
    25,167.56x = 34,731.18 × 13,989.56
  4. Step 4: Simplify right side
    25,167.56x = 485,873,926.48
  5. Step 5: Solve for x
    x = 485,873,926.48/25,167.56
  6. Step 6: Final answer
    x = 19,305.56

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1.5x scale

Why These Related Problems?

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