Home / 19,438.29-26,824.50-10,940.40

Finding the Fourth Proportional to 19,438.29, 26,824.50 and 10,940.40

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Solution

The fourth proportional to 19,438.29, 26,824.50 and 10,940.40 is: 15,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.29 : 26,824.50 = 10,940.40 : x
  2. Step 2: Convert to fraction form
    19,438.29/26,824.50 = 10,940.40/x
  3. Step 3: Cross multiply
    19,438.29x = 26,824.50 × 10,940.40
  4. Step 4: Simplify right side
    19,438.29x = 293,470,759.80
  5. Step 5: Solve for x
    x = 293,470,759.80/19,438.29
  6. Step 6: Final answer
    x = 15,097.56

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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.