Home / 25,185.05-37,785.78-12,038.45

Finding the Fourth Proportional to 25,185.05, 37,785.78 and 12,038.45

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Solution

The fourth proportional to 25,185.05, 37,785.78 and 12,038.45 is: 18,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.05 : 37,785.78 = 12,038.45 : x
  2. Step 2: Convert to fraction form
    25,185.05/37,785.78 = 12,038.45/x
  3. Step 3: Cross multiply
    25,185.05x = 37,785.78 × 12,038.45
  4. Step 4: Simplify right side
    25,185.05x = 454,882,034.31
  5. Step 5: Solve for x
    x = 454,882,034.31/25,185.05
  6. Step 6: Final answer
    x = 18,061.59

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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.