Home / 25,320.71-37,940.01-15,429.98

Finding the Fourth Proportional to 25,320.71, 37,940.01 and 15,429.98

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Solution

The fourth proportional to 25,320.71, 37,940.01 and 15,429.98 is: 23,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.71 : 37,940.01 = 15,429.98 : x
  2. Step 2: Convert to fraction form
    25,320.71/37,940.01 = 15,429.98/x
  3. Step 3: Cross multiply
    25,320.71x = 37,940.01 × 15,429.98
  4. Step 4: Simplify right side
    25,320.71x = 585,413,405.80
  5. Step 5: Solve for x
    x = 585,413,405.80/25,320.71
  6. Step 6: Final answer
    x = 23,119.95

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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.