Home / 25,256.35-37,907.90-12,785.14

Finding the Fourth Proportional to 25,256.35, 37,907.90 and 12,785.14

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Solution

The fourth proportional to 25,256.35, 37,907.90 and 12,785.14 is: 19,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256.35 : 37,907.90 = 12,785.14 : x
  2. Step 2: Convert to fraction form
    25,256.35/37,907.90 = 12,785.14/x
  3. Step 3: Cross multiply
    25,256.35x = 37,907.90 × 12,785.14
  4. Step 4: Simplify right side
    25,256.35x = 484,657,808.61
  5. Step 5: Solve for x
    x = 484,657,808.61/25,256.35
  6. Step 6: Final answer
    x = 19,189.54

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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.