Home / 25,756.30-38,607.81-14,639.05

Finding the Fourth Proportional to 25,756.30, 38,607.81 and 14,639.05

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Solution

The fourth proportional to 25,756.30, 38,607.81 and 14,639.05 is: 21,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.30 : 38,607.81 = 14,639.05 : x
  2. Step 2: Convert to fraction form
    25,756.30/38,607.81 = 14,639.05/x
  3. Step 3: Cross multiply
    25,756.30x = 38,607.81 × 14,639.05
  4. Step 4: Simplify right side
    25,756.30x = 565,181,660.98
  5. Step 5: Solve for x
    x = 565,181,660.98/25,756.30
  6. Step 6: Final answer
    x = 21,943.43

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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.