Home / 25,969.66-38,940.63-13,477.11

Finding the Fourth Proportional to 25,969.66, 38,940.63 and 13,477.11

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Solution

The fourth proportional to 25,969.66, 38,940.63 and 13,477.11 is: 20,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.66 : 38,940.63 = 13,477.11 : x
  2. Step 2: Convert to fraction form
    25,969.66/38,940.63 = 13,477.11/x
  3. Step 3: Cross multiply
    25,969.66x = 38,940.63 × 13,477.11
  4. Step 4: Simplify right side
    25,969.66x = 524,807,153.98
  5. Step 5: Solve for x
    x = 524,807,153.98/25,969.66
  6. Step 6: Final answer
    x = 20,208.47

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1.5x scale

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.